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Watts LFLL40XL-3 150/210 FS 1 - Part of the LFLL40XL Series

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Watts LFLL40XL-3 150/210 FS 1 - Part of the LFLL40XL Series

This lead free automatic reseating temperature and pressure relief valve has a 1 inch NPTF male inlet, 1 inch NPTF female outlet, 3 inch coated extension thermostat, pressure relief setpoint of 150 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 lead free copper silicon alloy body with extended shank, tamper resistant bonnet screws, 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.

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
  • Lead free copper silicon alloy body
  • Tamper resistant bonnet screws
  • 3 Inch coated thermostat length
  • Non-mechanical seat to disc alignment
  • Set pressure 150 psi
Specifications
Body Material Lead Free Copper Silicon Alloy
Brand Watts
EAN 098268568738
GPM-When Relieved Does Not Apply to Product
Inlet Connection Size 1 IN
Inlet Connection Type Male Threaded
Inlet Thread Type NPTF
Lead Free YES
Maximum Temperature-Fahrenheit 210
Maximum Working Pressure-PSI 112
Outlet Connection Size 1 IN
Outlet Connection Type Female Threaded
Outlet Thread Type NPTF
Part Number F121431
Pressure Range Does not apply to product
Pressure Relief Setting-PSI 150
Protection Type Temperature And Pressure
Series LFLL40XL
Shank Length 1 25/32 IN
Temperature Relief-Fahrenheit 210
Thermostat Material Nylon Coated Copper
Thermostat Probe Length 3 IN
  • Specification Sheet - Flood Sensor for Relief Valve Discharge Line
  • Specification Sheet - Flood Sensor for Relief Valve Discharge Line (French)
  • Specification Sheet - Flood Sensor for Relief Valve Discharge Line (Spanish)
  • Specification Sheet - LFLL40XL
  • Specification Sheet - LFLL40XL (French)
  • Specification Sheet - LFLL40XL (Spanish)
  • Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit
  • Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (French)
  • Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (Spanish)
UPC - 098268568738
$2,060.10
Watts LFLL40XL-3 150/210 FS 1 - Part of the LFLL40XL Series
$2,060.10

Product Information

Shipping & Returns

Description

This lead free automatic reseating temperature and pressure relief valve has a 1 inch NPTF male inlet, 1 inch NPTF female outlet, 3 inch coated extension thermostat, pressure relief setpoint of 150 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 lead free copper silicon alloy body with extended shank, tamper resistant bonnet screws, 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.

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
  • Lead free copper silicon alloy body
  • Tamper resistant bonnet screws
  • 3 Inch coated thermostat length
  • Non-mechanical seat to disc alignment
  • Set pressure 150 psi
Specifications
Body Material Lead Free Copper Silicon Alloy
Brand Watts
EAN 098268568738
GPM-When Relieved Does Not Apply to Product
Inlet Connection Size 1 IN
Inlet Connection Type Male Threaded
Inlet Thread Type NPTF
Lead Free YES
Maximum Temperature-Fahrenheit 210
Maximum Working Pressure-PSI 112
Outlet Connection Size 1 IN
Outlet Connection Type Female Threaded
Outlet Thread Type NPTF
Part Number F121431
Pressure Range Does not apply to product
Pressure Relief Setting-PSI 150
Protection Type Temperature And Pressure
Series LFLL40XL
Shank Length 1 25/32 IN
Temperature Relief-Fahrenheit 210
Thermostat Material Nylon Coated Copper
Thermostat Probe Length 3 IN
  • Specification Sheet - Flood Sensor for Relief Valve Discharge Line
  • Specification Sheet - Flood Sensor for Relief Valve Discharge Line (French)
  • Specification Sheet - Flood Sensor for Relief Valve Discharge Line (Spanish)
  • Specification Sheet - LFLL40XL
  • Specification Sheet - LFLL40XL (French)
  • Specification Sheet - LFLL40XL (Spanish)
  • Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit
  • Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (French)
  • Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (Spanish)
UPC - 098268568738