Auburn H4-12-12PK Gauge Glass Refrigerant ensuring the valve returns to

ensuring the valve returns to its original position during a power loss

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

Zero Pressure Differential: Operates efficiently from 0 to 25 PSI without needing a minimum pressure drop

We recommend retaining your existing hardware or utilizing standard self-tapping electrical panel screws for the installation

Auburn H4-12-12PK Gauge Glass Refrigerant ensuring the valve returns toThe 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