Pressure switches must match the manufacturer's exact "WC rating

utilizing this OEM replacement kit is the most cost-effective way to address internal leakage or failure to shift

it offers a wide pressure range from 200 psi to 610 psi

streamlining installation in tight mechanical rooms where piping orientation is restricted

While designed for specific York model configurations

Watts 0315180 Relief Valve Refrigerant Pressure switches must match theThe Watts 0315180 (Series N240X 9) is a heavy duty, automatic reseating temperature and pressure relief valve designed for high capacity protection of commercial water heaters and large scale hot water supply tanks. Featuring a robust bronze body and a 1 inch NPT female inlet outlet, this valve is engineered to manage extreme thermal and overpressure conditions. It provides a massive 4,059,000 BTU hr steam discharge capacity at a 150 psi pressure