MARS 43350 Pressure Switch 318172-701 it features ball bearings for

it features ball bearings for increased durability and efficiency over standard sleeve bearing alternatives

utilizing an open on rise switch action to break the electrical circuit when the system exceeds safe operating parameters

always verify the limit switch temperature settings (140-190F) and mounting footprint before attempting installation in cross-brand applications

this assembly maintains the factory-specified airflow resistance and static pressure requirements necessary for optimal blower performance

MARS 43350 Pressure Switch 318172-701 it features ball bearings forThe MARS 43350 Pressure Switch is a heavy duty low pressure control designed for precise refrigeration and HVAC system protection. Engineered as a SPST auto reset switch, this Klixon style component features a factory set cut out pressure of 40 PSI and a cut in pressure of 80 PSI. The 1 4" female flare S. A. E. mounting allows for direct connection to tubing, eliminating the need for bulky capillary tubes and reducing potential leak points. With