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Watts Valves Relief Valve
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Watts 3/4 In Brass Self Closing Temperature And Pressure Relief Valve, 150 psi, 210 F, Extended Shank Up To 3 In Insulation

SKU: 0066440

$51.25 

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Product Details

Watts 0066440

This 3/4'' extra extended shank 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 an extended shank for installation on water heaters with extra thick insulation as well as a brass body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, and a test lever. It is suitable for water heaters with up to 3'' (76.2 MM) of insulation. It is ASME rated and CSA listed. The temperature relief is 210 F (99 C), the pressure relief range is 75 to 150 psi (5.2 to 10.3 bar) and the standard pressure setting is 150 psi (10.55 bar).


  • UPC 098268651126
  • Online Product ID 3631953
  • Weight 1.1 lbs.
  • Material Brass
  • Buy American Act Compliant yes
  • Includes Extended Shank Up To 3'' Insulation
  • 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 105000 Btu/hr
  • Protection Type Temperature and Pressure
  • Series 100XL
  • Temperature Relief Deg F 210
  • Temperature Steam Discharge Capacity 105000 Btu/hr

Additional information

  • Bronze body construction
  • Unique thermostat with special thermo-bonded coating
  • Stainless steel spring
  • Self closing safety valve for hot water heaters

About This Brand

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