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Watts Valves Relief Valve
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Watts 3/4 In Brass Self Closing Temperature And Pressure Relief Valve, 125 psi, 210 degree F, Test Lever, 8 In Extension Thermostat

SKU: 0066109

$92.25 

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Product Details

Watts 0066109

This 3/4'' temperature and pressure relief valve 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 105,000 BTU/hr. It features a brass body with NPT male inlet and NPT female outlet connections, 8'' extension thermostat with special thermo-bonded coating, and a test lever. It is ASME rated and CSA listed. The temperature relief is at 210 deg F (99 deg C), and the pressure relief is 125 psi (8.8 bar).


  • UPC 098268007220
  • Online Product ID 9687843
  • Material Brass
  • Includes Test Lever
  • Inlet Connection Size 0.75''
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Maximum Temperature Deg F 210
  • Maximum Working Pressure Psi 125
  • Outlet Connection Size 0.75''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Female Threaded
  • Pressure Range 75 to 150
  • Pressure Relief Setting Psi 125
  • Pressure Steam Discharge Capacity 105000 Btu/hr
  • Protection Type Temperature and Pressure
  • Series 100XL
  • Shank Length 1.13''
  • Temperature Relief Deg F 210
  • Temperature Steam Discharge Capacity 105000 Btu/hr
  • Thermostat Probe Length 8''

Additional information

  • Unique thermostat with special thermo-bonded coating
  • Temperature and pressure relief valve to protect the heater from excessive pressure and temperature
  • Provides fully automatic temperature and pressure relief protection for hot water storage tanks and heaters up to 105,000 BTU/HR. Series
  • thermostat is accurate and proven

About This Brand

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