.::DESCRIPTION::. You are bidding on a 100% New Parker ($130.00 MRSP) Commercial pressurestat for 110~120/220~240V equipment, #PS325-1C-SX. Regulates boiler heating via a diaphragm that expands and contracts as the boiler steam pressure raises and lowers, activating the contacts and sending a signal to the heating element telling it to turn on and off.
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