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Product details

Series 100XL temperature and pressure relief valves are 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. They feature a bronze body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, and a test lever.

  • Features a unique thermostat with special thermo-bonded coating
  • Stainless steel spring
  • Thermostat is accurate and proven, exclusively designed and manufactured by Watts
  • With automatic reset
  • Plastic coated thermal probe
  • For use with up to 50 gal water heaters
  • Documentation

    Technical Specs

    SKU: 62140NL
    Model: 0556000
    nominal size: 3/4 x 3/4" pressure rating: 150 psi
    material: Brass Body, Stainless Steel Spring prop65 warning: California Proposition 65 Warning, This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
    reference number: LF100XL-150210 country of origin: US
    temperature rating: 210° F product type: Temperature & Pressure Relief Valves
    connection type: NPT Male x NPT Female type: No-Lead
    product upc code: 098268432350

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