What was the main change between the 663865 and the 663865R

this unit is the industry-standard replacement

copper tube extensions already brazed to the brass body

physical damage to the alumina ceramic or significant rod pitting requires a complete replacement to ensure reliable flame rectification

OEM Compatibility: Genuine Goodman Amana replacement part designed for perfect fitment in gas furnace pressure switch applications

Amana-Goodman D9886202 Inducer Assembly Els PW 17895 What was the main changeThe Amana Goodman D9886202 Inducer Assembly is a vital OEM replacement part engineered specifically for Goodman and Amana heating systems. Operating at 208 240V with a powerful 3000 RPM motor, this draft inducer assembly serves as the primary safeguard for your home, effectively drawing exhaust and venting combustion gases like carbon monoxide through the heat exchanger and out the flue. As the first component to activate during a heat call, a high