Auburn H4-12-12PK Gauge Glass Refrigerant though it remains functional in

though it remains functional in any environment where a 10K Ohm NTC signal is required

Always verify the required orifice quantity and drill size in your heater's manual

Installing it on a lower-tonnage unit will lead to hunting and improper evaporator loading

Precise Thermal Response: Uses a direct acting mechanism that opens on temperature rise

Auburn H4-12-12PK Gauge Glass Refrigerant though it remains functional inThe Auburn H4 12 12PK Gauge Glass is a high performance borosilicate glass solution designed for critical fluid monitoring in industrial boilers and steam engines. This heavy duty sight glass features a 5 8" outer diameter (OD) and a 12 inch length, providing exceptional thermal shock resistance and durability under high pressure conditions. Each 12 pack contains high clarity tubes equipped with a distinct red line indicator, which uses optical