Natural gas can cool quickly when it moves from high pressure to lower pressure. If moisture is present, that temperature drop can create frost, ice buildup, or hydrates around regulators, valves, pilots, chokes, and pipeline equipment.

Cold weather can make the problem worse, but it is not the only cause. Large pressure drops can create freezing conditions even during warmer months. With the right heating solution, operators can manage freeze-ups before frozen equipment causes downtime.

Regulator and Valves Freezing Over: What It Means

When regulator and valves freezing over becomes a repeated issue, the gas temperature is likely dropping low enough for moisture to freeze.

This often happens when gas passes through equipment such as:

• Pressure reducing regulators
• Control valves
• Chokes
• Pilot-operated regulators
• Instrument gas systems
• Pipeline equipment
• Other pressure-reducing components

A larger pressure drop can create a larger temperature drop. A common industry rule of thumb is that natural gas can lose about 6–8°F for every 100 psi of pressure reduction.

One large pressure cut can cool the gas quickly and increase the chance of freezing.

Why Regulators and Valves Freeze

Regulators and valves often freeze because of the Joule-Thomson effect.

The Joule-Thomson effect describes what happens when gas moves through a restriction and drops in pressure. As pressure drops, the gas can lose energy and temperature.

In simple terms:

Gas pressure drops. Gas temperature drops. Moisture freezes. Equipment starts having problems.

This matters in natural gas systems because a regulator or valve may take gas from a much higher pressure to a lower pressure that downstream equipment can use.

A large pressure reduction can make the gas cold enough for moisture to freeze. Ice can then form around or inside the equipment.

That ice can affect equipment performance, restrict flow, or damage components.

Moisture Makes Freeze-Ups Worse

Moisture turns a temperature drop into a bigger problem.

Even small amounts of moisture can freeze when the gas temperature gets low enough. As ice forms, it can build up around the regulator, valve, or pipeline surface.

Moisture can cause:

• Frost or ice buildup
• Frozen valve movement
• Pilot issues
• Blocked ports or passages
• Restricted flow
• Pressure instability
• Equipment that sticks or fails to respond
• Shutdowns or downtime

The ice you see on the outside may only be part of the problem. Inside the valve, regulator, or pipeline, ice can also restrict gas flow.

Can Regulators and Valves Freeze Even in the Summer?

Yes. Regulators and valves can freeze even when the outside temperature is not below freezing.

Freeze-ups do not always start with the weather. A large pressure drop inside the system can cool the gas enough to create ice.

If moisture is present, that temperature drop can create freezing conditions during warmer months.

Equipment can freeze during:

• Cold weather
• Wet weather
• Rain or snow
• Seasonal temperature changes
• High flow conditions
• Large pressure cuts
• Applications with wet gas
• Locations where pressure drops by hundreds of psi

In many applications, freezing is not just a winter problem. It is a pressure drop and moisture problem.

Common Signs of Regulator and Valves Freezing Over

If you are dealing with regulator and valves freezing over, you may notice:

• Frost or ice around the regulator body
• Ice forming around the valve
• Downstream pressure changing unexpectedly
• Reduced or restricted gas flow
• Pilot-operated regulators acting inconsistently
• Valves sticking or not moving correctly
• Equipment working after thawing, then freezing again later
• Shutdowns during cold or wet conditions

Repeated freeze-ups usually point to a system issue. A temporary thaw may get equipment moving again, but the problem can return if the pressure drop, cold gas, and moisture remain.

Why Thawing the Equipment Is Not a Long-Term Fix

Thawing frozen equipment may help in the moment, but it does not solve the cause of the freeze-up.

If the system still has pressure drop, moisture, and cold gas conditions, the regulator or valve can freeze again.

Freeze prevention should focus on managing temperature before ice causes downtime. The goal is not just to melt ice after it forms. The goal is to keep the gas and equipment warm enough so ice is less likely to form.

How Do You Prevent Regulators and Valves From Freezing?

You cannot avoid the Joule-Thomson effect, but you can manage it.

Common ways to manage freezing include:

• Improving pipeline design
• Reducing exposure to harsh weather when possible
• Using insulation where appropriate
• Removing or managing moisture
• Adding heat where the temperature drop happens
• Preheating gas before a large pressure drop

For many natural gas applications, adding heat directly to the equipment or gas stream is one of the most practical ways to reduce freeze-up problems.

That is where catalytic heating comes in.

How Catalytic Heating Helps Prevent Freeze-Ups

Catalytic heating places steady heat where the system needs it most.

Instead of waiting for a regulator or valve to freeze, a catalytic heater can warm the equipment and lower the chance of ice forming.

Operators commonly use catalytic heaters around equipment such as:

• Regulators
• Valves
• Chokes
• Pilots
• Instrument gas systems
• Pipeline equipment

The purpose is simple:

Keep critical equipment warm enough to help prevent freezing, flow restriction, and downtime.

Catco designs Catalytic Heaters to provide focused heat for oil and gas equipment that needs freeze protection.

Where Catco Products Fit In

Catco provides freeze-prevention solutions that help protect natural gas equipment from pressure drop, cold gas, moisture, and harsh field conditions.

Different applications need different types of heat. Some systems need direct heat around a regulator or valve. Others need warmed gas before the pressure drop. Some applications need warm gas delivered directly into pilots or instrumentation.

Here are the main Catco solution paths.

Catco Catalytic Heaters

Catco Catalytic Heaters provide steady radiant heat for equipment that needs freeze protection.

They help warm equipment exposed to cold gas, pressure drops, moisture, and weather conditions.

Catalytic heaters can support larger freeze-prevention systems, including heated enclosures, Pipeline Packs, and instrument gas heating systems.

Catco Heated Enclosure Packages

Catco Heated Enclosure Packages surround equipment like regulators and valves and direct heat where the system needs it.

A heated enclosure helps hold and focus heat around the equipment. As the metal warms, it can help reduce the impact of the Joule-Thomson effect.

Operators commonly use heated enclosures for:

• Regulators
• Valves
• Control equipment
• Pilot-related equipment
• Applications where the pressure drop happens at the equipment

If the freezing problem happens directly at the regulator or valve, a heated enclosure may be the right solution to review.

Catco Pipeline Packs

Catco Pipeline Packs help preheat gas in the pipeline before it reaches a major pressure drop.

This can help when the system needs more heat before the gas reaches a regulator, valve, or other equipment where freezing could happen.

A Pipeline Pack does not focus on one specific valve the same way an enclosure does. Instead, it applies heat to the pipeline itself so the gas has more temperature before it reaches the freeze-risk area.

Pipeline Packs can help when:

• The system has a large pressure drop
• The gas needs heat before regulation
• One equipment enclosure cannot provide enough heat
• The system has downstream freeze risk

In simple terms, an enclosure heats the equipment. A Pipeline Pack helps preheat the gas in the pipe.

Catco Instrument Gas Heaters

A Catco Instrument Gas Heater, also called an IGH, warms gas before it reaches equipment like pilot-operated regulators, instrumentation, and related applications.

The IGH passes process gas through heat exchange tubing inside a heated enclosure. As the gas moves through the heat exchanger, it picks up heat before flowing to the equipment that needs warm gas.

Operators often use Instrument Gas Heaters when cold gas could affect:

• Pilot-operated regulators
• Instrument supply gas
• Control systems
• Sensitive downstream equipment
• Applications that need a steady warm gas supply

This makes the IGH a strong option when the application needs more than outside equipment heat. It can feed warm gas directly where the system needs it.

Catco Steady Heat Controller

In some applications, gas can become too hot after the system warms it. This matters when warm gas feeds pilots, instruments, or equipment with internal components that need protection.

The Catco Steady Heat Controller mixes hot output gas with cold input gas to deliver a more controlled gas temperature.

This helps provide warm gas while reducing the risk of sending gas that is too hot into sensitive equipment.

For applications where consistent outlet temperature matters, the Steady Heat Controller can play an important role.

Simple Breakdown: Why It Freezes and What Helps

Here is the problem in simple terms:

Problem: Your regulator and valves are freezing over.
Cause: Gas pressure drops and the gas temperature falls.
Moisture Risk: Moisture freezes or hydrates form.
Result: Regulators, valves, pilots, and chokes may stop working correctly.
Solution: Add the right freeze-prevention method, such as catalytic heating, a heated enclosure, a Pipeline Pack, or an Instrument Gas Heater.

Which Catco Solution Should You Look At?

The right solution depends on where the freezing happens.

A heated enclosure may be the best place to start when ice forms directly on a regulator or valve.

A Pipeline Pack may help when the gas needs more heat before it reaches a pressure drop.

An Instrument Gas Heater may be the better fit when the system needs warm gas delivered into a pilot, instrument, or regulator.

The Steady Heat Controller can help when the application needs controlled outlet gas temperature.

Every application is different, but the goal stays the same: keep the gas flowing and help prevent freeze-related downtime.

Final Thoughts

So, why are your regulator and valves freezing over?

Most of the time, pressure drop, temperature loss, and moisture create the problem. When natural gas pressure drops, the gas temperature can also drop. If the temperature falls low enough, moisture can freeze and create problems around regulators, valves, pilots, chokes, and pipelines.

This can happen in winter, during wet weather, or even in warmer months when the pressure drop is large enough.

Freeze-ups can create equipment issues, restrict flow, and cause downtime. The right heating solution can help manage those risks before freezing stops the system.

Catco helps provide freeze-prevention solutions for natural gas applications through Catalytic Heaters, Heated Enclosure Packages, Pipeline Packs, Instrument Gas Heaters, and Steady Heat Controllers.

If your regulators or valves are freezing over, Catco can help you review which solution may fit your application.

FAQ

Why is my regulator and valves freezing over?

Your regulator and valves may freeze when gas pressure drops and the gas temperature falls. If moisture is present, that moisture can freeze and create ice buildup or hydrates.

What causes a natural gas regulator to freeze?

Pressure reduction, cold gas, moisture, and the Joule-Thomson effect can cause a natural gas regulator to freeze.

Can valves freeze even when it is not freezing outside?

Yes. Valves and regulators can freeze in warmer weather if the pressure drop is large enough and moisture is present.

What is the Joule-Thomson effect?

The Joule-Thomson effect describes the temperature drop that can happen when gas moves from high pressure to lower pressure.

How much temperature can natural gas lose during pressure reduction?

A common rule of thumb is that natural gas can lose about 6–8°F for every 100 psi of pressure reduction.

How do you stop regulators and valves from freezing?

You can help prevent freeze-ups by managing moisture, improving design, insulating where needed, and adding heat where the gas or equipment loses temperature.

What Catco product helps with frozen regulators and valves?

The best solution depends on the application. Catco solutions may include Catalytic Heaters, Heated Enclosure Packages, Pipeline Packs, Instrument Gas Heaters, and Steady Heat Controllers.

What is the difference between a heated enclosure and a Pipeline Pack?

A heated enclosure focuses heat around a regulator, valve, or piece of equipment. A Pipeline Pack helps preheat the gas in the pipeline before it reaches the equipment.

What does an Instrument Gas Heater do?

An Instrument Gas Heater warms gas before it flows to pilot-operated regulators, instrumentation, or related equipment that needs warm gas to operate reliably.

The post Why Is My Regulator and Valves Freezing Over? appeared first on Catco.

Finding the right CATCO heating solution starts with understanding your system, your equipment, and the conditions your team is trying to manage. Some applications need gas-stream heating, some need flameless heat near exposed equipment, and others need a heated enclosure or weather cover to add another layer of protection.

Instead of starting with one product, it helps to start with the application. What equipment needs support? Where is it installed? What field conditions does it face? From there, CATCO can help match your system to the right product path.

Start by Identifying What You Need to Protect

Field equipment can face a range of challenges depending on where it is installed and how it operates. Cold weather, wind, rain, snow, dust, moisture, and changing operating conditions can all affect equipment performance over time.

Common equipment and system areas that may need heating or protection include:

• Regulators
• Valves
• Pilot systems
• Chokes
• Exposed field components
• Instrument Gas Heaters
• Enclosed equipment packages

The right solution depends on what is exposed, where heat needs to be placed, and whether the application needs gas-stream heating, flameless heat, enclosure protection, or weather defense.

Need to Warm a Gas Stream? Explore Instrument Gas Heaters

If the application needs heat added directly to the gas stream, an Instrument Gas Heater may be the right product path to review.

Instrument Gas Heaters are often used in applications where gas temperature can affect equipment performance. They help support systems such as pilot-operated regulators, valves, and related equipment where gas-stream heating is important.

This product path may be worth reviewing when the issue is connected to the gas stream itself or when the system needs heat before the gas reaches critical components.

Best fit when your system needs:

• Gas-stream heating
• Support for pilot-operated equipment
• Heating before gas reaches key components
• A solution designed around gas flow and equipment performance

Explore Instrument Gas Heaters

Need Flameless Heat Near Equipment? Explore Catalytic Heaters

If the system needs heat placed near exposed equipment, a catalytic heater may be the better fit.

CATCO catalytic heaters are designed to provide dependable flameless heat for field equipment, standalone heating applications, and enclosure-based setups. This makes them useful when the goal is to place heat close to the equipment that needs protection.

This product path is often connected to applications where the equipment itself needs heat nearby rather than heat added directly into the gas stream.

Best fit when your system needs:

• Flameless heat
• Heat placed near exposed equipment
• Support for field equipment protection
• A heating option for standalone or enclosure-based setups

Explore Catalytic Heaters

Need to Protect Exposed Components? Explore Heated Enclosures

For exposed regulators, valves, chokes, and other field components, heated enclosures can help create a more focused protection setup.

A heated enclosure helps position heat closer to the equipment that needs protection. Instead of only heating around the equipment, the enclosure helps create a more controlled area around the components.

This can be especially helpful when equipment is exposed to wind, moisture, cold weather, or harsh field conditions.

Heated enclosures are often a strong option when the application needs more than just a heater. They help bring the heater and the equipment protection strategy together.

Best fit when your system needs:

• Protection for exposed components
• Heat positioned closer to regulators, valves, or chokes
• A more complete freeze-prevention setup
• A solution built around field conditions and equipment layout

Explore Heated Enclosures

Need to Protect the Heater Itself? Explore Weather Covers

Sometimes the equipment is not the only thing that needs protection.

If your system already uses an Instrument Gas Heater, a weather cover can help add another layer of protection around the heater itself. CATCO Weather Covers help protect Instrument Gas Heaters from rain, high winds, snow, dust, and other outdoor exposure that can affect performance over time.

This product path is especially useful in exposed, hard-to-reach, or severe-weather locations where protecting the heater early can help reduce avoidable service calls and downtime.

Best fit when your system needs:

• Added protection around an Instrument Gas Heater
• Defense from rain, wind, snow, or dust
• Support in exposed or remote locations
• A way to protect the heater from outdoor conditions

Explore Weather Covers

Build Around the Application, Not Just the Product

The right heating solution is not only about choosing a product. It is about understanding the full application.

Before selecting a heater, enclosure, or weather cover, it helps to review:

• What equipment needs protection
• Where the equipment is installed
• What environmental conditions it faces
• Whether the need is gas-stream heating, equipment heating, enclosure protection, or weather defense
• What fuel type and space limitations apply
• What issue the team is trying to prevent

By starting with the system, teams can make a more informed decision and build a solution around the actual field need.

CATCO Can Help Review the Right Product Path

If you are not sure which CATCO product fits your application, our team can help review the setup.

Whether your system needs an Instrument Gas Heater, catalytic heater, heated enclosure, weather cover, or a combination of solutions, CATCO can help point your team in the right direction.

The more information you can provide about the equipment, operating environment, fuel type, and exposure conditions, the easier it is to identify the best product path.

Need Help Finding the Right CATCO Heating Solution?

CATCO offers multiple heating and protection solutions designed to match different systems, applications, and field conditions.

If your team is reviewing a system or preparing for challenging operating environments, contact CATCO for product guidance and application support.

Contact CATCO

The post How to Find the Right CATCO Heating Solution for Your System appeared first on Catco.

Gas heater temperature control is critical in preventing overheating and protecting sensitive equipment in gas heating systems. Without proper regulation, excessive heat can damage regulators, seals, and instrumentation, leading to long-term performance issues.

How Gas Heater Temperature Control Prevents Overheating

The difference between stable operation and overheating is regulation.

CATCO systems are designed to deliver consistent, controlled heat through integrated temperature management components that protect the entire system — not just the heater.

Key components include:

Temperature Control Valve

The Temperature Control Valve helps regulate system temperature by adjusting gas flow based on operating conditions.

This prevents temperature spikes and maintains stable heat delivery, protecting downstream components from unnecessary thermal stress.

Steady Heat Controller

The Steady Heat Controller balances heated and ambient gas to maintain consistent control temperature throughout the system.

Instead of allowing heat to accumulate and “run hot,” it helps ensure the temperature remains within safe, functional limits — especially for sensitive regulators, analyzers, and instrumentation.

Pressure & Flow Stability

Low pressure regulators and supporting components ensure inlet pressure remains within design specifications, contributing to stable and predictable heat performance.

When temperature and pressure are balanced, the system operates smoothly.

Why Controlled Heat Matters

Overheating can lead to:

• Seal degradation

• Instrument drift

• Component fatigue

• Reduced operational accuracy

• Long-term reliability issues

These issues often develop gradually — making regulation even more critical.

Stable systems are engineered through control.

Engineered for Continuous Performance

CATCO heating solutions are built to provide:

• Consistent temperature regulation

• Balanced gas flow

• Protection of sensitive equipment

• Long-term operational stability

Reliable heat is essential.

Controlled heat is what protects your system.

Explore CATCO Technical Resources

We’ve expanded our setup guides and product documentation to support proper installation, configuration, and troubleshooting.

👉 View Technical Resources
👉 Explore Accessories
👉 Contact Our Team

The post Your Heater Shouldn’t Just Run. It Should Protect. appeared first on Catco.

Over the years, our team has answered thousands of questions about catalytic heater startup, gas pressure verification, preheating procedures, and low-temperature shutoff valve operation. While we’re always ready to support our partners, we saw an opportunity to make installation clearer from the start.

So we built something better.

We created the CATCO Heater Set-Up Guide — a structured, field-ready document designed to simplify installation and reduce guesswork.

The guide walks technicians through a straightforward 5-step process:

• Proper mounting

• Fuel connection

• Verifying natural gas pressure (approximately 4.5” W.C.)

• Preheating and initiating fuel flow

• Confirming steady radiant operation

It also includes a troubleshooting FAQ section built directly from real-world field questions — helping reduce preventable issues and unnecessary downtime.

This guide was designed to support installers, distributors, and technicians working in demanding environments where clarity matters.

You can download the CATCO Heater Set-Up Guide now in the Resources section of our website.

More structured setup and troubleshooting guides are coming soon as we continue expanding our technical resource library.

Because at CATCO, we don’t just build heaters.

We build clarity.

And clarity drives performance.

The post CATCO Heater Installation Guide | Setup & Troubleshooting appeared first on Catco.

Across large portions of the United States, prolonged cold, heavy snow, and dangerous wind chills have arrived earlier, lasted longer, and pushed systems harder than many expected. These conditions don’t just inconvenience daily life — they place real strain on the energy infrastructure that keeps homes heated, businesses operating, and communities supplied with power.

A recent winter storm across the eastern U.S. highlighted just how challenging these conditions can be. More than one million homes and businesses lost power, while disruptions impacted roughly 12% of U.S. natural gas production at the same time demand was rising. When cold weather persists at this scale, energy systems are tested not just at the grid level, but at every connection point along the way.

At Catco, this is the environment we design for.

Cold Weather Is Where System Design Matters Most

Extreme cold doesn’t introduce new challenges — it exposes existing ones. When temperatures remain below normal for extended periods, energy systems face compounding pressure:

• Electricity demand increases as heating loads surge

• Natural gas systems are pushed to deliver consistent flow under peak conditions

• Equipment exposed to cold becomes more susceptible to freezing and performance loss

• Small component failures can ripple into larger system disruptions

During the recent storm, PJM Interconnection LLC, which serves 67 million people from New Jersey to Chicago, issued a grid emergency as winter demand approached record levels. Reports from Bloomberg described the event as one of the longest sustained cold periods in decades — a reminder that today’s winters are not always short or predictable.

For Catco, these moments underscore why cold-weather reliability cannot be an afterthought. Energy systems don’t fail all at once — they begin to fail at the equipment level.

Where Catco Fits Into Energy Resilience

Power grids depend on natural gas systems that can perform reliably in extreme conditions. When gas flow is disrupted by freezing regulators, exposed instrumentation, or unprotected control components, the effects extend far beyond a single site.

Catco works in the space where energy reliability is protected before problems begin.

Our focus is on helping operators maintain consistent gas flow and system performance during prolonged cold — not by reacting to failures, but by preventing freeze-related issues at critical points in the system. Regulators, valves, and instrumentation are often the first components affected by extreme temperatures, and protecting them is essential to keeping energy systems stable when demand is highest.

This winter’s conditions reinforce a lesson we’ve learned over decades: resilience is built into equipment long before the cold arrives.

Designing for Winters That Don’t Follow the Rules

Winters like this one are becoming harder to predict. Cold snaps last longer. Weather patterns shift. Demand spikes unexpectedly. Energy systems must be able to operate reliably even when conditions don’t match historical averages.

Catco designs solutions for these exact scenarios — where prolonged cold, high demand, and system stress intersect. By focusing on freeze prevention and cold-weather performance at the equipment level, we help support the broader energy infrastructure when it is under the most pressure.

Because when the grid is stretched and conditions are at their worst, reliability isn’t about reacting faster — it’s about being prepared ahead of time.

The post Power Grid Stress Shows Why Energy Resilience Matters During Extreme Winter Cold appeared first on Catco.

As the New Year begins, cold weather continues to test gas systems across production, transmission, and distribution. Freeze-related failures don’t happen the same way for everyone—and that’s what makes winterization so challenging.

Some systems fail from exposure. Others fail internally from pressure drops. And many fail not because of the cold itself, but because action comes too late. Understanding these different failure paths is the first step toward a more reliable winter strategy.

Failure Type 1: Environmental Cold Exposure

For some operations, failure starts with the environment.

Extended cold, wind exposure, and rapid temperature swings pull heat away from equipment faster than the system can recover. Metal components contract, seals stiffen, and unprotected parts begin to lose efficiency long before visible ice appears.

These failures are often subtle at first. Equipment may still be operating, but not at optimal conditions. Over time, reduced performance turns into instability or shutdowns.

How this failure shows up:

• Reduced flow rates

• Sluggish valve or regulator response

• Intermittent operation during cold snaps

Failure Type 2: Pressure Drop & the Joule-Thomson Effect

Other failures originate inside the system itself.

When gas passes through a regulator, the pressure drop causes a rapid temperature decrease—a phenomenon known as the Joule-Thomson effect. In cold conditions, this drop can push internal components below freezing almost instantly.

Moisture in the gas stream freezes at the point of pressure reduction, leading to internal ice formation. Even when ambient temperatures don’t seem extreme, regulators can still freeze from the inside out.

How this failure shows up:

• Frozen regulators

• Restricted or blocked gas flow

• Sudden loss of pressure control

Failure Type 3: Reactive Winterization

The most expensive failures often aren’t caused by the cold alone—they’re caused by how teams respond to it.

Reactive winterization happens when freeze protection is added after problems begin. Temporary heaters, rushed fixes, and emergency labor become the solution instead of planned protection.

By the time action is taken, downtime has already occurred and risks have increased. These failures tend to repeat because the root cause was never addressed.

How this failure shows up:

• Emergency repairs during freeze events

• Unplanned downtime

• Repeated cold-weather issues season after season

One Season, Many Failures — One Common Lesson

Cold weather doesn’t fail every system the same way, but it exposes weaknesses in every system. Whether failure comes from environmental exposure, pressure-induced freezing, or reactive planning, the outcome is the same: lost reliability when it matters most.

The New Year is the right time to evaluate where your systems are vulnerable—before the next freeze tests them again.

Because winter doesn’t care how failure starts. It only reveals it.

The post Winterization Failures in Gas Systems: How Cold, Pressure Drops, and Reactive Planning Cause Downtime appeared first on Catco.

Winterization for gas systems is often misunderstood. Many people assume it simply means adding heat when temperatures drop. At CATCO, winterization means something more important — being proactive instead of reactive.

Cold weather doesn’t create system problems. It exposes weaknesses that already exist. Proper winterization for gas systems focuses on preparation, maintenance, and planning before freezing conditions arrive, not scrambling during a storm.

🎥 Watch: Winterization for Gas Systems Explained

Winterization isn’t just about installing a product — it’s about understanding how your system behaves in cold conditions. In the video below, we explain what winterization for gas systems really means and how to prepare equipment before winter causes failures.

CATCO explains winterization for gas systems and why proactive planning matters.

Why Winterization for Gas Systems Starts Before the First Freeze

True winterization for gas systems begins long before the first freeze. When equipment freezes, the issue usually isn’t the temperature — it’s lack of preparation.

Proactive winterization may include:

• Installing catalytic heaters or instrument gas heaters (IGHs)

• Protecting exposed components with enclosures

• Verifying proper gas pressure

• Inspecting and maintaining existing heating equipment

Systems that are prepared ahead of time experience less downtime, fewer emergency repairs, and faster restarts during extreme cold.

The Three Winterization Categories for Gas Systems

Every operation falls into one of three winterization readiness categories. Knowing where your system stands helps determine what actions are needed.

Category 1: New to Winterization for Gas Systems

This category includes systems with little to no freeze protection.

Common signs:

• No heaters installed

• No enclosures protecting regulators or valves

• Limited understanding of winterization options

What to do:
Start by identifying exposed components and reviewing available heating and enclosure solutions. CATCO helps customers evaluate their systems and recommend the right approach — including custom enclosures when standard options don’t fit.

Category 2: Heating Installed, Maintenance Overdue

Some systems already have heating solutions in place but haven’t been maintained properly.

Common issues include:

• Discoloration on heater faces

• Debris blocking airflow

• Loose fittings or gas leaks

• Incorrect gas pressure

What to do:
Inspect heaters, clean debris, check fittings, and confirm proper gas pressure. If heaters no longer perform as expected, replacement may be more effective than repair.

Category 3: Fully Winterized and Actively Maintained Systems

These systems already have proper winterization in place and are maintained consistently.

Best practices include:

• Routine walk-through inspections

• Keeping heater faces clear

• Securing fittings and connections

• Maintaining proper gas pressure year-round

Consistent maintenance is what keeps winterization for gas systems effective over time.

Why CATCO Focuses on Proactive Winterization

According to the National Weather Service, extreme cold events increase the risk of equipment failure when systems are not properly winterized.

At CATCO, we focus on proactive winterization for gas systems because preparation:

• Reduces unplanned downtime

• Prevents emergency replacements

• Keeps gas flowing during critical cold events

Waiting until a freeze hits is already too late.

Ready to Review Your Winterization Plan?

If you’re unsure where your system falls within the winterization categories, CATCO can help evaluate your setup and recommend solutions that fit your application.

Contact CATCO today to discuss winterization for gas systems before winter forces a shutdown.

The post Winterization for Gas Systems: What It Really Means | CATCO appeared first on Catco.

When freeze-ups hit a gas system, most people look at the regulator or valve first. But many failures actually start upstream—in the pipeline carrying gas to the equipment. When temperatures drop or pressure falls, that line can cool fast, causing moisture to freeze before the gas ever reaches the regulator.

This is where CATCO Pipe Packs make the difference.

What a Pipe Pack Does

A Pipe Pack is a heated, insulated pathway that keeps gas lines warm during cold weather. Instead of heating just one component, it protects the entire run of pipe leading into your system.

Pipe Packs help by:

• Preventing ice inside feed lines

• Keeping gas temperature stable during pressure drops

• Reducing freeze-related downtime

It’s simple: warm gas flows. Cold gas freezes.

Sized for Your System

No two applications are the same. Pipe Packs can be built in different lengths, diameters, and heater configurations so your system gets the exact protection it needs.

Short run? Long run? 
CATCO builds Pipe Packs to fit the job.

Why They Matter for Energy Resilience

A regulator can only perform if the gas feeding it is warm and moving. By protecting the upstream line, Pipe Packs help ensure your entire system stays reliable—especially during the coldest days of winter.

They’re one of the simplest ways to prevent freeze-ups before they start.

The Bottom Line

Pipe Packs don’t replace your heater or enclosure—they support them by making sure the gas arrives ready to flow. When you protect the pathway, you protect the equipment and the people depending on it.

Energy resilience starts upstream. Pipe Packs keep it moving.

The post Beyond the Heater | What About the Pipes? appeared first on Catco.

When the weather turns harsh, safety moves to the front line.
Every technician who’s stepped into freezing rain or bitter wind to unstick a regulator knows: it’s not just about uptime — it’s about getting home safe.

At CATCO, we believe prevention is the best protection.
That’s why every product we design — from heaters to enclosures — is built with one mission: protect people and keep systems running through smart, flameless heat and reliable engineering.

Safety by Design

From Catalytic Heaters to Heated Enclosures and Explosion-Proof Junction Boxes, each CATCO product adds a layer of safety to protect both systems and crews in the field.

Built for the Field:

• Flameless, consistent heat to prevent regulator and valve freeze-ups.

• No moving parts for low maintenance and reliable uptime.

• Safe in Class I, Division 1 or 2 locations, designed for hazardous environments.

Every component works together to safeguard people, performance, and productivity.

Prevention Over Reaction

A frozen regulator or stuck valve isn’t just downtime — it’s risk.
Technicians working in freezing, slippery conditions face unnecessary hazards that can be avoided with proper heat protection.

By maintaining steady heat at critical points, CATCO heating systems help reduce emergency callouts, protect crews from exposure, and extend equipment life.

That’s the CATCO difference: we design for prevention, not reaction.

Efficiency That Protects People

Safety and efficiency go hand in hand.
When heating systems perform effectively, gas flow and pressure remain stable — and technicians spend less time exposed to the elements.

CATCO’s catalytic systems are engineered for low fuel use, no open flame, and maximum reliability — because efficient heat is safe heat.

The CATCO Commitment

Energy resilience isn’t only about keeping systems online — it’s about keeping people safe while doing it.
Every heater, junction box, and enclosure we make reflects that mission.

Because protecting people is the foundation of true reliability.
And when safety is built in from the start, everyone goes home safe.

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The post Keeping Your Techs Safe in Harsh Conditions Starts with Prevention appeared first on Catco.

The shift ended like any other.
The wind cut across the yard, frost gathering on every surface.
“Nothing we haven’t seen before,” one tech said, locking up and heading out.

By sunrise, the yard was silent.
No hum, no movement — just the hollow stillness of a regulator sealed in ice.

Crews arrived to find the line frozen stiff, pressure gone, and time slipping away.
It didn’t take long to see what happened: trapped moisture, rapid cooling, and a cold front that didn’t wait for morning.

Someone finally said the words no one wants to hear:

“We’ll deal with it tomorrow.”

But tomorrow had already cost them.

⚙️ The Lesson Beneath the Ice

Freeze-ups don’t appear out of nowhere — they build up quietly.
A few degrees, a bit of moisture, one overlooked detail.
And suddenly, everything stops.

It could’ve been prevented with one thing: preparedness.
A quick temperature check. A protective heater.
Even a single heated enclosure could’ve kept that line alive.

It’s not just about what failed — it’s about what was ignored.
Because in this industry, doing nothing is the fastest way to freeze everything.

🟦 CATCO helps operators stay one step ahead — preventing freeze-ups before they ever begin.
No tricks. Just resilience.

🔗 Explore More

• CATCO Heated Enclosure Packages

• CATCO Catalytic Heaters

The post Field Frights: Episode 1 — The Regulator That Froze Overnight appeared first on Catco.