Lochinvar & A.O. Smith 100277755 Pressure Switch 321142-301 Using it with R-410A will

Using it with R-410A will result in incorrect metering due to different pressure-temperature relationships

hydrofluoric acid

to accurately sense and limit the pressure entering the compressor crankcase

Does this unit require specialized software for configuration

For 750mV thermopile systems

Lochinvar & A.O. Smith 100277755 Pressure Switch 321142-301 Using it with R-410A willThe Lochinvar & A. O. Smith 100277755 Pressure Switch is a mission critical component engineered for precise atmospheric monitoring in high efficiency boilers and water heaters. Calibrated to a . 95" WC (Water Column) set point, this OEM replacement pressure switch ensures the inducer fan is generating the correct static pressure before allowing the ignition sequence to proceed. As a veteran grade HVAC induction switch, it is designed to prevent