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Watts Valves Relief Valve
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Watts 1/2 In Bronze Self Closing Temperature and Pressure Relief Valve, 150 psi, 210 degree F, 8 In Extension Thermostat

SKU: 0004497

$83.00

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Product Details

Watts 0004497

This 1/2'' temperature and pressure relief valve, series 1XL, is used in water heater and hot water storage tank applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 15,000 BTU/hr. It features a bronze body with NPT threaded male inlet and NPT threaded female outlet connections, 8'' extension thermostat with special thermo-bonded coating and test lever. Temperature relief is at 210 deg F (99 deg C), pressure relief range is 75 to 150 psi (5.2 to 10.3 bar). Standard pressure setting is 150 psi (10.6 bar).


  • UPC 098268000443
  • Online Product ID 3631840
  • Weight 0.7 lbs.
  • Material Bronze
  • Buy American Act Compliant yes
  • Inlet Connection Size 0.5''
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Outlet Connection Size 0.5''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Female Threaded
  • Pressure Range 75 to 150
  • Pressure Relief Setting Psi 150
  • Protection Type Temperature and Pressure
  • Series 1XL
  • Shank Length 0.88''
  • Temperature Relief Deg F 210
  • Temperature Steam Discharge Capacity 15000 Btu/hr
  • Thermostat Probe Length 8''

Additional information

  • Solid bronze body construction
  • Unique thermostat with special thermo-bonded coating
  • ASME rated and CSA listed
  • Automatic reseating

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