Auburn H4-12-12PK Gauge Glass 328140-751 the AGD4A1 ensures that the

the AGD4A1 ensures that the RPZ valve drainage system complies with plumbing codes regarding physical air gaps between the relief valve port and the waste line

It is intended to replace specific OEM ECM motors in York air handlers

Backward Compatibility: Designed to interface seamlessly with existing ECM 2

as well as A

Reliable Pilot Logic: Maintains a stable flame signal for consistent main burner crossover

Auburn H4-12-12PK Gauge Glass 328140-751 the AGD4A1 ensures that theThe 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