Detailed Description Commercial pressurestat for 110~120/ 220~240V equipment, #P302-6. 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. Approximately 4" x 2 1/2" x 4".
Detailed Description Commercial pressurestat for 110~120/ 220~240V equipment, #P302-6. 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. Approximately 4" x 2 1/2" x 4".
Highly reliable devices utilizing the CCS Dual-Snap Belleville disc spring principle pioneered by CCS' engineers. Rigid, midsize and internally adjustable for convenient field set point adjustment. Vibration and shock resistant.
This auction is for 1 – NEW Murphy Switch 20P-100 I have sold 15+ of these gauges. This is the last 5 I have Additional Photo’s can be e-mailed If you are not 100% satisfied for any reason return with no questions
Operates as safety device to shut off burner to prevent machine (water) overheating flashing to steam Does not turn back on until water has cooled 50° - 70°F Normally used with other adjustable or fixed range thermostat which r
Adjustable frequency of defrost initiation from 1-6 cycles per day. Min. 4 hours between successive operations.• Adjustable duration of defrost cycle from 4-100 min.
Cleveland Controls - Model #DFS-221, Air Flow Sensing Switch. This is a used switch in very good cosmetic and functional shape. It is a non-adjustable, fixed setting switch with a SPDT relay that closes on increasing pressure at 0.05 +/- 0.02 inches of W.C.
New in Box For water supply systems For use with submersible well pumps or as a replacement switch Turns on at 30 psi and off at 50 psi Adjustable up to 40/60 psi or down to 20/40 psi
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