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.