Watts 0121427 Valve R-410A the 1/4 inch barb connection

the 1/4 inch barb connection ensures rapid integration with existing air lines

making it a reliable choice for industrial HVACR and automation service techs

reliable transition for heating cycles

the 30753375-001 prevents fugitive emissions and maintains system pressure

The PX3UXX05 utilizes internal jumpers to toggle between 4-20mA and volts

Watts 0121427 Valve R-410A the 1/4 inch barb connectionIf you are servicing high capacity commercial water heaters, the Watts 0121427 (Model LF40XL 7 125) is the industry standard temperature and pressure relief valve for systems requiring high BTU throughput. This 1 inch T&P valve features a 7 inch coated extension thermostat and is engineered to protect potable water tanks from excessive thermal expansion and over pressurization. It serves as the direct 0121427 updated version for the Watts 0163758,