5-inch length is the standard fit for the majority of Trane and American Standard blower wheel hubs used in these frame sizes

filter monitoring

Can I bypass the T111640005 for testing purposes

Synchronized Performance: Maintains the exact 1200 RPM required for correct CFM across the heat exchanger

the internal ECM controller is likely defective

Heil Quaker ICP 1171287 Heat Exchanger 320788-704 5-inch length is the standardThe Heil Quaker ICP 1171287 Heat Exchanger is an essential OEM replacement component engineered for high efficiency gas furnace repair and maintenance. As a primary heat exchanger, this unit is responsible for the critical thermal transfer process, ensuring combustion gases are safely vented while maximizing heat output to the plenum. Constructed from aluminized steel to resist thermal fatigue and corrosion, the ICP 1171287 is designed to match the