Mars Condenser Fan Cycling Switch, Open on Pressure at 125, Reset at 264 (33940)

About the Mars Condenser Fan Cycling Switch, Open on Pressure at 125, Reset at 264 (33940)

Get a low price on the Mars 33940 Condenser Fan Cycling Switch, 125/265 from PlumbersStock. The purpose of a fan cycling switch is to compensate for low pressure by shutting down the condenser fan when the pressure falls below a certain point. It's easy to replace. Mars is a popular HVAC brand among both homeowners and contractors for good reason.