Watts 0121451 Valve Refrigerant offering field-proven reliability in a

offering field-proven reliability in a rugged gray enamel case

High-Temperature Durability: The 5mm insulated jacket is rated for extreme thermal environments common in compact heat exchangers

extending service life in harsh environments

Adjustable crank-arm configuration

making it an essential HVACR and plumbing part for maintaining system compliance

Watts 0121451 Valve Refrigerant offering field-proven reliability in aThe Watts 0121451 (Model 140S 3 1 150) is a high capacity automatic reseating temperature and pressure relief valve engineered for protection in commercial hot water supply systems. Designed for heavy duty tank tappings, this 1 inch valve features a 3,085,000 BTU hr steam discharge capacity and a standard 150 psi pressure relief setpoint. As a veteran grade commercial T&P relief valve, it utilizes a bronze body and a 3 inch stainless steel thermostat