WATTS® WATLF40XL1

WATTS® LF40XL Series F556008 Temperature and Pressure Relief Valve, 1 in Nominal, MNPT x FNPT, 112 psi, 210 deg F

Manufacturer: Watts Water Technologies
Part #: WATLF40XL1
Customer Part #:
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Additional Information      :      4 in L Nylon-Coated Copper Thermostat
Body Material      :      Copper Silicon Alloy
Connection Type      :      MNPT x FNPT
Domestic/Import      :      Domestic
Media      :      Water
Nominal Size      :      1 in
Pressure Rating      :      112 psi
Series      :      LF40XL Series
Temperature Rating      :      210 deg F

This lead-free automatic reseating temperature and pressure relief valve has a 1 in NPTF male inlet, 1 in NPTF female outlet, 4 in coated extension thermostat, pressure relief setpoint of 150 psi and temperature relief setpoint of 210 deg 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 lead-free copper silicon alloy body, tamper-resistant bonnet screws and test lever. Includes a non-restrictive 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.

WATTS® Temperature and Pressure Relief Valve, LF40XL Series, 1 in Nominal, MNPT x FNPT Connection, 112 psi, Water Media, Copper Silicon Alloy Body, 210 deg F, Domestic/Import: Domestic, Additional Information: 4 in L Nylon-Coated Copper Thermostat

  • 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
  • Tamper-resistant bonnet screws
  • Non-mechanical seat to disc alignment

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