Simplified Installation: Standard 3/8" NPT threading and 36" capillary length accommodate standard piping configurations

Optimized Switching: Replaces the AZ2280-1A-24A with improved contact materials to reduce arcing and extend component life

replacing a fast-open valve with a slow-open gas valve should only be done if specified by the manufacturer's cross-reference data to ensure ignition timing remains within safe parameters

and UDZ unit heaters ranging from 200 to 400 MBH

a standard hub puller is recommended to remove the old wheel without damaging the motor shaft or the blower housing assembly

Nordyne 921498 Control Board 322838-752 Simplified Installation: Standard 3/8" NPTThe Nordyne 921498 Control Board is a critical OEM replacement component engineered for high performance management of modulating furnace systems and packaged units. Specifically designed for the G7 series furnace, this integrated furnace control manages critical sequencing including induction, ignition timing, and blower motor speed regulation. It features a 24 VAC control circuit protected by an onboard 3A fuse to prevent damage from low voltage