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Watts Valves Relief Valve
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Watts 3/4 In Bronze Automatic Reseating Temp/Pressure Relief Valve, 150 psi, 210 F, Test Lever, Extended Shank, 8 In Thermostat

SKU: 0163803

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Product Details

Watts 0163803

This 3/4'' bronze automatic reseating temperature and pressure relief valve with a 1 25/32'' extended shank and 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 a bronze body 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 150 psi.


  • UPC 098268921342
  • Online Product ID 3632084
  • Weight 2.95 lbs.
  • Material Bronze
  • Buy American Act Compliant yes
  • Includes Test Lever, Extended Shank
  • Inlet Connection Size 0.75''
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Maximum Temperature Deg F 210
  • Maximum Working Pressure Psi 150
  • Outlet Connection Size 0.75''
  • Outlet Connection Thread Type NPT
  • 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
  • Seat Material Bronze
  • Series 40L
  • Temperature Relief Deg F 210
  • Temperature Steam Discharge Capacity 205000 Btu/hr
  • Thermostat Material Copper
  • Thermostat Probe Length 8''

Additional information

  • Thermostat is accurate and proven
  • Tamper resistant bonnet screws
  • 8'' thermostat length
  • Non-mechanical seat to disc alignment
  • Thermo-bonded thermostat

About This Brand

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