Carrier 40QN660005 Assembly 320734-701 and CGt boiler models

and CGt boiler models

Versatile Two-Speed Operation: Supports multi-stage systems requiring nuanced fan speed control for comfort and efficiency

Always check the flow arrow on the casting to match the direction of gas flow

maintaining the equipment's UL listing and operational standards

The Hankison 530 series design utilizes an internal pilot-operated diaphragm solenoid valve

Carrier 40QN660005 Assembly 320734-701 and CGt boiler modelsThe Carrier 40QN660005 Control Box Assembly is a critical OEM replacement part designed for high performance management of Carrier HVAC systems. As a veteran grade HVAC control board kit, this assembly serves as the central processing unit for your equipment, regulating essential functions such as fan speed, temperature modulation, and system diagnostics. Engineered for Carrier ductless systems and specific Carrier fan coil units like the 40QNQ018301,