Trane CNT4358 Control 322838-752 This 1 inch bore bearing

This 1 inch bore bearing with collar is designed for a slip-fit installation on standard 1-inch shafts

ensuring long-term seat integrity in commercial boiler and chiller loops

it serves as a direct furnace air pressure switch replacement for several legacy components

including both natural gas and liquid propane systems

This SPST (Single Pole Single Throw) safety control is calibrated and tested for demanding cycles

Trane CNT4358 Control 322838-752 This 1 inch bore bearingThe Trane CNT4358 Fan Center Control is a critical field service component designed for high reliability air handling and furnace applications. This OEM Trane control board functions as a centralized hub for managing the low voltage 24V signal between the thermostat and the high voltage blower motor. Engineered for precise HVAC fan speed control, the CNT4358 integrates a dedicated relay and transformer assembly into a compact 1 2 inch frame,