Corrosion-Resistant Construction: Heavy-duty materials resist the corrosive effects of stagnant condensate and HVAC chemicals

Precision Pressure Ratings: Optimized for 135 PSI air and 80 PSI oil applications to prevent bypass leakage

Common Questions Does this assembly include the primary gasket

and CE standards

preventing the backdrafting and pressure switch errors common with generic "will-fit" alternatives

Heat Controller 17122000049085 Control Board 321042-401 Corrosion-Resistant Construction: Heavy-duty materials resistThe Heat Controller 17122000049085 Control Board is a critical OEM replacement component designed for precision management of residential HVAC cycles. As a specialized HVAC control board replacement, this unit regulates the synchronized operation of the compressor, blower fan, and system sensors to ensure mechanical efficiency and stable thermostatic response. Engineered for high durability residential HVAC applications, the board features an advanced