- Inlet Connection Size 3/4 IN
- Inlet Connection Type Female Threaded
- Inlet Thread Type NPTF
- Lead Free NO
- Maximum Working Pressure-PSI 30
- Outlet Connection Size 3/4 IN
- Outlet Connection Type Female Threaded
- Outlet Thread Type NPTF
- Pressure Relief Setting-PSI 40
- Series 174A
- Discharge Line Flood Sensor Included
Features
- Features a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
- Requires purchase of activation kit to activate sensor
- Bronze body
- Automatic reseating
- Non-mechanical seat to disc alignment
- Set pressure 40 psi
This pressure relief valve has a 3/4 inch NPTF female inlet and outlet and a 40 psi pressure relief setpoint. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze body, non-metallic disc-to-metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve. Sensor activation requires purchase of an activation kit which can be connected to existing building management systems or the Watts Cellular Gateway.