This pressure relief valve has a 1 inch NPTF female inlet, 1 1/4 inch NPTF female outlet, and pressure relief setpoint of 30 psi. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features an iron body construction, non-metallic disc-to-metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert(R) 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.
Features
Seat located above drain so that water is never trapped and
sediment never fouls the seat
Nonmechanical seat-to-disc alignment that does not stick
or freeze
Water seal of high temperature resisting material to isolate
spring working parts from water during relief*
Nonmetallic disc-to-metal seating
Available in diameters from 3⁄4" to 2"
Optional SentryPlus Alert® discharge line flood sensor which
when paired with a connection kit (sold separately) can detect
excessive water discharges from the relief valve (Refer to
ES-FS-ReliefValve.)
Expanded outlets for hot water space heating boilers
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
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* Pricing Disclaimers:
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