WATTSSKU: 1005550

WATTS® 0556001 LF100XL Temperature/Pressure Relief Valve

$61.94
In stock (214)

This 3/4 inch 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/hr. 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 with 8 inch extension, and test lever. The temperature relief is 210 degrees F (99 degrees C) and the pressure relief is set at 150 psi (10.3 bar).

Shipping policy

Orders placed by 2:00pm EST will ship same day, except on holidays.

More Details

Product overview
  • Features a unique thermostat with special thermo-bonded coating
  • Stainless steel spring
  • Thermostat is accurate and proven exclusively designed and manufactured by WATTS
  • Maximum system operating pressure must not exceed 75% of valve set pressure
  • Protects against excessive temperature and pressure during emergency conditions
Specifications
Manufacturer Part Number 0556001
UPC 98268432367
Overall Dimensions n/a
Material n/a
Domestic or Import n/a
End Style n/a
Type n/a
ADA Compliance n/a
Warning n/a
Standards and Approvals ASME Specified | CSA Certified | PROP65: 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.
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Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: May 25, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

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