including many 80% and 90% AFUE units

Enhanced Flame Sensing: Features high-sensitivity circuitry to prevent nuisance lockouts and improve safety during the heating cycle

Check for moisture or "slugs" of water in the red or white silicone tubing

or a clogged bypass orifice in some valve styles

this specific model is calibrated specifically for R22 systems

Trane CNT6352 Control Board 322027-701 including many 80% and 90%The Trane CNT6352 is a high performance Air Handler Comm Control Board designed specifically for communicating HVAC systems. As a veteran technician, you know that keeping a multi stage air handler running effectively requires more than just a standard circuit board. This OEM Trane control board acts as the central hub, managing airflow, fan speed, and temperature regulation by facilitating real time data exchange between the thermostat and the