As a veteran-grade blower motor mounting sleeve

ensuring the gas valve is only energized when ignition is verified

or "snowing" of the material

Key Benefits for Contractors: Precision Engineering: The 10x8 blower wheel dimensions and 1/2 inch bore ensure a drop-in replacement for ICP-branded furnaces and air handlers

preventing soot accumulation and protecting the heat exchanger’s integrity

Reznor 270389 Pressure Switch 318973-401 As a veteran-grade blower motorThe Reznor 270389 Pressure Switch is a critical safety component calibrated to a . 33" WC set point, specifically engineered for Reznor unit heaters. This differential air pressure switch monitors the pressure drop across the heat exchanger, ensuring the induced draft blower is operating at the correct static pressure before allowing the ignition sequence to proceed. As a genuine OEM Reznor replacement part, it maintains the precise factory