Smith GPSH 40/50 Series 201 models

This unit is built for durability in high-cycle environments

Enhanced Combustion: The 5-cell burner kit design promotes a stable flame to maximize AFR (Air-Fuel Ratio) performance

This brass gas orifice features a standard #42 drill size

and UDZ unit heaters ranging from 200 to 400 MBH

Nordyne 921498 Control Board 322838-752 Smith GPSH 40/50 Series 201The 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