WATTS® 519461

WATTS® F156481 40L Automatic Reseating Valve, 3/4 in Nominal, Male NPTF x Female NPTF End Style, 93 psi Pressure, 210 deg F, 5 in L Probe, Bronze Body, Domestic

Manufacturer: Watts Water Technologies
Brand: WATTS®
Part #: 519461
MPN: F156481
CPN:
Sold As: EACH

This automatic reseating temperature and pressure relief valve has a 3/4 inch NPTF male inlet, 3/4 inch NPTF female outlet, 5 inch coated extension thermostat, pressure relief setpoint of 125 psi, and temperature relief setpoint of 210 degrees F. The valve can be installed in hot water outlet within the allowable distance from the top of the tank for commercial applications to provide protection for hot water supply tanks and hot water heaters. It features a bronze body, tamper resistant bonnet screws, 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. When paired with an add on connection kit, the sensor is activated to relay alerts for potential flooding events. Connection kit options include BMS, cellular communication, and the Sensor Control Monitor which enables integration with BAS via RS‑485 Modbus or the Nexa platform through Wi-Fi.

WATTS®, F156481, Valve, Automatic Reseating, Series: 40L, 3/4 in Nominal, Male NPTF x Female NPTF End Style, 93 psi Pressure, 210 deg F, 5 in Probe Length, Media: Water, Test Lever Actuator, Bronze Body, Nylon Coated Copper Trim, 5-5/8 in H x 2-5/8 in W Dimensions, Domestic

Actuator Type
Test Lever
Body Material
Bronze
Dimensions
5-5/8 in H x 2-5/8 in W
Domestic/Import
Domestic
End Style
Male NPTF x Female NPTF
Media
Water
Nominal Size
3/4 in
Pressure Rating
93 psi
Probe Length
5 in
Series
40L
Temperature Rating
210 deg F
Trim Material
Nylon Coated Copper
Type
Automatic Reseating
  • Requires purchase of activation kit to activate sensor
  • Tamper resistant bonnet screws
  • Non-mechanical seat to disc alignment

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