Reference the model number on your furnace data plate

technicians can effectively restore the original sealing properties and flow characteristics of the V48 series

Compatible with a wide range of Lennox

It is designed to be threaded into existing 3/4" NPT ports on the boiler or remote sensor manifold

50-inch bore size (hub diameter)

Watts 0121430 Valve 326058-758 Reference the model number onThe Watts 0121430, also identified as the LFLLL40XL 150, is a high capacity automatic reseating temperature and pressure relief valve designed specifically for commercial and large residential hot water supply tanks. Featuring a 3 4 inch NPT male inlet and female outlet, this lead free T&P valve is engineered for systems requiring a high ASME steam relief rating of up to 1,437,000 BTU hr at 150 psi. The extended shank design, measuring 3 21 32 inches,