Spirax-Sarco 55227 Main Valve R-410A These are the first switches

These are the first switches to turn ON and the last to turn OFF

8 Full Load Amps (FLA) at 120V and 8

this integrated boiler control manages critical sequences including ignition control

making it a versatile drop-in solution for 120V or 240V HVACR applications where durable line voltage control is mandatory

The valve is calibrated with a 125 PSI pressure setting and a 210°F temperature relief point

Spirax-Sarco 55227 Main Valve R-410A These are the first switchesThe Spirax Sarco 55227 is a 2 inch NPT 25 Series main valve designed for high performance steam pressure and temperature regulation. This pilot operated steam pressure reducing valve (PRV) features a durable cast iron body and stainless steel internals to resist corrosion and wire drawing in demanding industrial environments. As a self actuated unit, it utilizes downstream pressure feedback through an external sensing line to provide accurate, stable