Watts Series LFN240 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. 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. 

This 0121589 1" Automatic Reseating Temperature And Pressure Relief Valve features a lead-free brass body with NPT female 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 degrees and the pressure relief is 150 psi.

Features:
 

• Lead-Free cast body
• Non-mechanical seat-to-disc alignment
• Tamper-resistant bonnet screws
• Series LFN240 are furnished with stainless steel thermostat tube