Part # 71-096A-1-40
Enclosure Package to prevent freezing in High Pressure Instrumentation Regulators including Meco or Fisher 1301. 12 volt start. Single heater package with shutuoff valve and thermocouple.
Catco enclosure packages are the most efficient form of freeze prevention on the market. By heating the valve or regulator itself instead of heating the gas, you get much better heat transfer than other methods: