Marvair 70342 N/O Low-Pressure Switch 40 PSI Off 60 PSI On

The Marvair 70342 low-pressure switch is high quality and is intended for use in HVAC systems. It has a 40 PSI OFF and 60 PSI ON pressure range, the system in optimal operating conditions by cycling the system on or off automatically according to the pressure levels. The switch is normally open, so the circuit is open til the pressure reache the desired threshold. It is mainly used to protect the compressors from running in low-pressure conditions and prevent damage caused by low pressure. They provide energy efficiency reliability, and system longevity reductions by eliminating the need for manual intervention.