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Watts Valves Relief Valve
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Watts 3/4 In Lead Free Automatic Reseating Temp/Pressure Relief Valve, 150 psi, 210 F, Test Lever, Extended Shank, 5 In Thermostat

SKU: 0121430

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Product Details

Watts 0121430

This 3/4'' lead free automatic reseating temperature and pressure relief valve with a 3-21/32'' extended shank and 5'' thermostat is installed directly in tank tappings and is used in commercial applications to provide automatic temperature and pressure protection for hot water supply tanks and hot water heaters. It features lead free cast copper silicon alloy construction with NPT male inlet and NPT female outlet connections, thermo-bonded coated thermostat, tamper resistant bonnet screws, automatic reseating feature, and test lever. The temperature relief is 210 deg F (99 deg C) and the pressure relief is 150 psi.


  • UPC 098268584660
  • Online Product ID 3631999
  • Weight 2.95 lbs.
  • Material Copper Silicon
  • Buy American Act Compliant yes
  • Includes Test Lever, 3 21/32'' Extended Shank
  • Inlet Connection Size 0.75''
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Lead Free yes
  • Outlet Connection Size 0.75''
  • Outlet Connection Thread Type FPT
  • Outlet Connection Type Female Threaded
  • Pressure Range 75 to 150
  • Pressure Relief Setting Psi 150
  • Pressure Steam Discharge Capacity 1438000 Btu/hr
  • Protection Type Temperature and Pressure
  • Series LFLL40XL
  • Shank Length 3.66''
  • Temperature Relief Deg F 210
  • Temperature Steam Discharge Capacity 205000 Btu/hr
  • Thermostat Probe Length 5''

Additional information

  • Non-mechanical seat to disc alignment
  • 5'' thermostat length
  • 3-21/32'' extended shank
  • Tamper resistant bonnet screws
  • Lead free cast copper silicon alloy construction

About This Brand

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