Lochinvar & A.O. Smith 100277936 Pressure Switch -0.75PF

The Lochinvar & A.O. Smith 100277936 Pressure Switch −0.75 (PF) is an HVAC essential Pressure Switch which is a key piece of equipment that monitors and controls the pressure within heating system furnaces and water heaters. It is this pressure switch to ensures the safe operation of the system: it will detect if there is a pressure change and will stop the system from running in conditions of low air pressure causing danger. Lochinvar and A.O. Smith heating units use it commonly. By switching, the system stays in good performance, saves energy, and is safe, as it shuts down the system if the pressure is not right. Maintaining HVAC operation with reliability and efficiency.