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Watts Valves Relief Valve
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Watts 1 1/4 In Lead Free Automatic Reseating Temperature And Pressure Relief Valve, 125 psi, 210 degree F, 5 In Thermostat

SKU: 0121591

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Product Details

Watts 0121591

This 1 1/4'' lead free automatic reseating temperature and pressure relief valve with a 5'' thermostat is installed directly in tank tappings and is used in commercial applications to provide automatic temperature and pressure protection for hot water supply tanks and hot water heaters. It features a lead free brass body with NPT male inlet and NPT female outlet connections, thermo-bonded coated thermostat, tamper resistant bonnet screws, automatic reseating feature, and test lever. The temperature relief is 210 deg and the pressure relief is 125 psi.


  • UPC 098268587241
  • Online Product ID 9688820
  • Material Bronze
  • Buy American Act Compliant yes
  • Inlet Connection Size 1.25''
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Lead Free yes
  • Maximum Temperature Deg F 210
  • Maximum Working Pressure Psi 94
  • Outlet Connection Size 1.25''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Female Threaded
  • Pressure Range 75 to 150
  • Pressure Relief Setting Psi 125
  • Pressure Steam Discharge Capacity 3438000 Btu/hr
  • Protection Type Temperature and Pressure
  • Series LFN240
  • Temperature Relief Deg F 210
  • Temperature Steam Discharge Capacity 730000 Btu/hr
  • Thermostat Material Copper
  • Thermostat Probe Length 5''

Additional information

  • Lead free brass body construction
  • Non-mechanical seat to disc alignment
  • Automatic reseating
  • Tamper resistant bonnet screws

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