Description
this electromechanical safety switch monitors the net oil pressure—the critical difference between oil pump discharge and crankcase pressure—to prevent catastrophic mechanical failure
preventing the heat buildup that can lead to inaccurate sensor readings and short-cycling
Is this switch compatible with my York furnace
verify that the 24VAC transformer and flame sensor are within spec to prevent premature board failure
which is standard for many Copeland-branded condenser applications
MARS 43346 Pressure Switch 318518-761 this electromechanical safety switch monitorsThe MARS 43346 Pressure Switch is a heavy duty Single Pole Single Throw (SPST) low pressure control designed for demanding HVAC and refrigeration applications. Engineered for precision and longevity, this automatic reset pressure switch features a fixed setpoint configured to open on a pressure drop at 25 PSI and close on a rise at 50 PSI. The MARS 43346 is a versatile HVAC low pressure switch compatible with a wide voltage range from 24V to 250V,
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























