Watts 0274427 Valve 340155-7026 it may fail to close

it may fail to close the pressure switch

ensuring seamless mechanical fitment and performance parity

this valve is specifically calibrated for R22 and R407C refrigerants

ensuring a drop-in fit without shim adjustments

Watts 0274427 Valve 340155-7026 it may fail to closeThe Watts Series 174A (Ordering Code 0274427) is a high capacity boiler pressure relief valve designed specifically for hot water heating boilers and water supply heaters. This 3 4 inch NPT female inlet outlet valve is engineered with a bronze body and a non metallic disc to metal seat, ensuring consistent performance in high temperature hydronic systems. With a factory set 35 PSI pressure relief and a high steam discharge capacity of 725,000 BTU Hr,