this specific thermostatic expansion valve is calibrated exclusively for R-22 refrigerant

it is recommended to replace the media once every 12 months

The 10K ohm sensitivity is calibrated for standard tap and boiler water

What makes an EMQ bearing different from a standard 6208

Beckett Igniter 21981U Gas Valve Els PW 17895 this specific thermostatic expansion valveThe Beckett 21981U Gas Valve is a critical component for high performance combustion systems requiring precise fuel modulation. This two stage gas valve operates with a 1 1 2 inch inlet outlet, engineered for heavy duty commercial and industrial heating applications. The unit is factory calibrated for a low fire setting of 1. 6 inches W. C. and a high fire setting of 3. 5 inches W. C., ensuring stable ignition and efficient fuel delivery across