• Brand Name | Watts
• Model | 3/4 LF40XL 150/210
• UPC | 098268432510

Automatic Re-seating T&P Relief Valves

The combined 2-in-1 Temperature & Pressure Relief Valve provides the least expensive and proven means for protection against both excessive temperature and pressure emergency conditions. Fully automatic temperature and pressure relief protection for domestic hot water supply tanks and heaters based on the latest ANSI Z21.22 Listing requirements for temperature discharge capacity. The LF40, LF140, LFN240, and LF340 feature Lead Free* construction to comply with Lead Free* installation requirements. LF40XL with test lever and extension thermostat for installation in hot water outlet within the allowable distance from the top of the tank based on latest ANSI Z21.22. Sizes 3/4" and 1" (20 . 25mm). LF40L with test lever and short thermostat for installation directly in available tank tappings. Sizes 3.4" and 1" (20 . 25mm). Series LF140, LFN240 and LF340 have the same basic body construction and advanced design features as the Series LF40 except for discharge capacity and size of inlet and outlet connections. For complete specifications (including specifications for the Series LF40) see other side. Sizes 1", 1-1/4", 1-1/2" and 2" (25, 32, 40 and 50mm).