Trane SEN0277 Humidity Sensor Els PW 17895 this SPST (Single Pole Single

this SPST (Single Pole Single Throw) vacuum switch monitors the pressure differential within the inducer housing to ensure the combustion blower is extracting flue gases safely before allowing the ignition sequence to proceed

When troubleshooting a furnace not blowing hot air or experiencing ignition failure

and specialized wire leads with self-cleaning contacts to prevent signal failure due to oxidation

Complete Field Solution: Includes all hardware

This OEM replacement start relay is compatible with a wide range of York

Trane SEN0277 Humidity Sensor Els PW 17895 this SPST (Single Pole SingleWhen you're troubleshooting indoor air quality (IAQ) or verifying the performance of a commercial building automation system (BAS), the Trane SEN0277 Humidity Sensor is the specific component required for high accuracy moisture monitoring. This genuine OEM assembly is engineered for a temperature operating range of 32 125F, making it ideal for standard air handling unit (AHU) discharge or return air monitoring where drifting values are not an option.