LF174A Watts 1" Boiler Pressure Relief Valve 150 PSI With Flood Sensor

This lead free pressure relief valve has a 1 inch NPTF female inlet and outlet and a 150 psi pressure relief setpoint. This valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a lead free copper silicon alloy 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.

Install Instructions
Specification Sheet

• 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
• Lead free copper silicon alloy body
• Automatic reseating
• Non-mechanical seat to disc alignment
• Set pressure 150 psi