Reznor 123449 Flange 321042-401 This board manages the timing

This board manages the timing of the inducer motor and the main blower

Sensor is a high-precision thermistor engineered for critical thermal monitoring in York chiller systems and large-scale air handling units

Engineered with a 59-inch capillary tube and a stainless steel power head

Designed specifically for R22 and R407C refrigerant applications

OEM Compatibility: Replaces Alco PS3-W6S and is a standard component for various Quincy rotary screw and reciprocating models

Reznor 123449 Flange 321042-401 This board manages the timingThe Reznor 123449 Burner Inlet Flange is a critical OEM replacement component designed for high performance gas fired HVAC systems. For technicians servicing Reznor unit heaters or commercial furnaces, this flange ensures a robust, manifold to burner connection that adheres to strict factory tolerances. Engineered to provide a precision seal, it eliminates the risk of fuel delivery inconsistencies, which is vital for maintaining optimal gas pressure