Watts 0275404 Valve 319852-301 High-performance sensing tube responds only

High-performance sensing tube responds only to the 190 to 270 nanometer UV spectrum

replacing them if they show signs of thermal fatigue or compression set

Monitors furnace limit switches

Dual-Purpose Design: Manages both 35 MFD (compressor) and 5 MFD (fan) circuits in a single round run capacitor housing

While light soot can be brushed off

Watts 0275404 Valve 319852-301 High-performance sensing tube responds onlyThe Watts 0275404 is a high capacity boiler pressure relief valve from the Series 174A, engineered specifically for hot water heating and domestic supply systems. This 1 inch NPT threaded valve is designed to handle demanding commercial and industrial hydronic loads, featuring a discharge capacity of 3,215,000 BTU hr at a 125 PSI pressure relief setting. Built with a rugged bronze body and a stainless steel spring, it utilizes a non metallic, soft