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Watts Valves Relief Valve
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Watts 3/4 In Lead Free Self Closing Temperature And Pressure Relief Valve, 150 psi, 210 degree F, Test Lever, Extension Thermostat

SKU: 0556000

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Product Details

Watts 0556000

This 3/4'' lead free 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 lead free copper alloy body with NPT male inlet and NPT female outlet connections, a unique thermostat with special thermo-bonded coating, and test lever. The temperature relief is 210 deg F (99 deg C) and the pressure relief is set at 150 psi (10.3 bar).


  • UPC 098268432350
  • Online Product ID 3632256
  • Weight 0.57 lbs.
  • Material Copper
  • Buy American Act Compliant yes
  • Includes Test Lever
  • Inlet Connection Size 0.75''
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Lead Free yes
  • Maximum Temperature Deg F 210
  • Maximum Working Pressure Psi 113
  • 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 200000 Btu/hr
  • Protection Type Temperature and Pressure
  • Series LF100XL
  • Shank Length 1.13''
  • Temperature Relief Deg F 210
  • Temperature Steam Discharge Capacity 105000 Btu/hr
  • Thermostat Material Copper
  • Thermostat Probe Length 4''

Additional information

  • ASME rated and CSA listed
  • Extension thermostat with thermo-bonded coating
  • Stainless steel spring
  • Lead free copper alloy body

About This Brand

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