High Acid Capacity: Superior acid removal capabilities make this an essential component for system cleanup after a compressor burnout

Environmental Resilience: Features a totally enclosed air over (TEAO) enclosure to protect internal components from debris and moisture

Common indicators include the furnace failing to light despite a glowing ignitor

While some technicians use the 510-312-322 (5-3/4" diameter) galvanized version

The Maxitrol R9110-48 is sized exclusively for the larger RV91 and 210E housings

Trane CNT1866 Fan Control Refrigerant High Acid Capacity: Superior acidThe 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