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Watts Valves Relief Valve
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Watts 3/4 In Lead Free Automatic Reseating Temp And Pressure Relief Valve, 100 psi, 210 degree F, Test Lever, 8 In Extension Thermostat

SKU: 0121420

$520.50

Price

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Product Details

Watts 0121420

This 3/4'' lead free automatic reseating temperature and pressure relief valve with an 8'' thermostat is installed directly in tank tapings 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 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 (99 deg C) and the pressure relief is 100 psi.


  • UPC 098268584509
  • Online Product ID 3631998
  • Weight 2.5 lbs.
  • Material Brass
  • Includes Test Lever
  • Inlet Connection Size 0.75''
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Lead Free yes
  • Maximum Temperature Deg F 210
  • Outlet Connection Size 0.75''
  • Outlet Connection Thread Type FPT
  • Outlet Connection Type Female Threaded
  • Pressure Range 75 to 150
  • Pressure Relief Setting Psi 100
  • Pressure Steam Discharge Capacity 998000 Btu/hr
  • Protection Type Temperature and Pressure
  • Series LF40L
  • Temperature Relief Deg F 210
  • Temperature Steam Discharge Capacity 205000 Btu/hr
  • Thermostat Probe Length 8''

Additional information

  • Non-mechanical seat to disc alignment
  • Tamper resistant bonnet screws
  • 8'' thermostat length
  • Lead free construction

About This Brand

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