Additional InformationANSI Z21.22|ASME Approved|CSA Certified|Military Specification MIL-V-136-12D|national board of B and PVI to Section IV|Type I
Marketing InformationWatts Regulators series LF140L automatic reseating temperature and pressure relief valves are used in commercial water heater applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters. They feature a lead free brass body with MNPT inlet and FNPT outlet connections, unique thermostat with special thermo-bonded coating, tamper-resistant bonnet screws, automatic reseating feature, and test lever. Series LF140 has a short thermostat for installation directly in available tank tapings. Series LF140L valves are ASME rated and CSA listed.