Watts 0121451 Valve Refrigerant ensuring a precise fit that

ensuring a precise fit that 1-inch retail filters cannot replicate

effectively protecting the thermostatic expansion valve (TEV) and compressor from abrasive solids and varnish

and function remain the same

or the difference between two points in the airstream

The inter-stage differential is field-adjustable between 2 and 7 degrees Fahrenheit

Watts 0121451 Valve Refrigerant ensuring a precise fit thatThe 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