Watts 0275600 Valve Refrigerant The S1-6187677 is compatible with

The S1-6187677 is compatible with a wide range of Johnson Controls brands

As a direct replacement for AP11875-1

This unit features a 3-1/2 inch analog dial gauge with a broad 0 to 100°F scale

If the control board is sensing a lack of draft via the pressure switch

ensure you are utilizing a high-temperature rated actuator to match the valve's 3

Watts 0275600 Valve Refrigerant The S1-6187677 is compatible withThe Watts 0275600 (also identified as model 275600) is a high capacity 174A 1 1 4" 30# boiler pressure relief valve engineered for critical overpressure protection in large scale hydronic heating and domestic supply systems. This ASME Section IV rated safety valve features a rugged bronze body construction with 1 1 4" NPT female inlet and outlet connections. It is factory set to discharge at 30 PSI with a massive certified steam relief capacity of