Trane CNT1866 Fan Control Freon 5-inch immersion depth for universal

5-inch immersion depth for universal compatibility across multiple electric water heater brands

Professional-grade materials withstand extreme temperature cycles

The compact footprint allows for seamless HVAC gas line filtration retrofits in tight mechanical rooms without requiring extensive repiping

This part number typically refers to the pilot burner assembly

Trane CNT1866 Fan Control Freon 5-inch immersion depth for universalThe Trane CNT1866 is a professional grade 11 Terminal ICM Fan Control designed specifically for demand side outdoor fan management in Trane and American Standard HVAC systems. This OEM replacement control board (commonly cross referenced with CNT01866 and D341232P01) utilizes integrated ICM technology to modulate condenser fan motor speeds based on real time ambient temperatures and system set points. Unlike standard on off controls, this printed