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Watts 3/4 IN Brass Self Closing Temperature and Pressure Relief Valve, 175 psi, 210 degree F, Test Lever, 4 IN Extension Thermostat

SKU: 0066103

$86.00

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Product Details

Watts 0066103

This 3/4'' temperature and pressure relief valve is designed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU per hour. This two in one relief valve provides a proven and cost effective means to protect against excessive temperature and pressure emergency conditions. It features a forged body with NPT male inlet and NPT female outlet connections, test lever, and extension thermostat with special thermo-bonded coating. This valve is ASME rated and CSA listed. The temperature relief is 210 deg (99 deg C) and the pressure relief is set at 175 psi (12.06 bar).


  • UPC 098268000047
  • Online Product ID 9687841
  • Material Brass
  • Buy American Act Compliant yes
  • 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 175
  • Outlet Connection Size 0.75''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Female Threaded
  • Pressure Range 75 to 150
  • Pressure Relief Setting Psi 175
  • 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 Material Copper
  • Thermostat Probe Length 3''

Additional information

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

About This Brand

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