it is factory-calibrated to a -

Can I extend the 12-foot probe lead if needed

The Honeywell AT88A1047 Transformer is a heavy-duty 75VA power solution designed for demanding HVACR control voltage applications

The circuit will close once the differential pressure rises above your setpoint

The S1-024-39490-000 is a factory-caliber York pressure switch engineered to monitor vital air pressure differentials within the combustion blower assembly

Reznor 195679 Fan Blade Els PW 17895 it is factory-calibrated to aThe Reznor 195679 Fan Blade is a precision engineered OEM replacement part designed specifically for Reznor UDAP175 and UDX150 series gas fired unit heaters. As a veteran grade HVAC blower component, this blade is crucial for maintaining the static pressure and CFM requirements of your heating system. Constructed from heavy duty aluminum to resist industrial wear and tear, the 195679 is factory balanced to eliminate vibration, which protects the motor