irregular flame patterns (ghosting)

this nitrile rubber diaphragm ensures precise lock-up pressure and stable outlet pressure control across varying flow rates

Installing a blade with an incorrect pitch can lead to motor amp draw issues

Simplified Service: The cartridge-style design allows for quick field replacement

this unit provides the digital precision required to monitor and adjust process temperatures ranging from 60°F to 240°F without returning to the main control cabinet

Carrier 5538 Circuit Board 319847-401 irregular flame patterns (ghosting)The Carrier 5538 Circuit Board is a critical internal control component designed for precise sequence management in compatible Carrier, Bryant, and Payne HVAC systems. As a direct OEM replacement control board, it ensures seamless communication between the thermostat, the inducer motor, and the gas valve to maintain safe combustion cycles. This HVAC circuit board repair solution is engineered to handle rigorous voltage fluctuations and provides