Lennox 21W66 Gasket 321894-709 preventing equipment damage and ensuring

preventing equipment damage and ensuring HVAC system safety

determined by looking at the discharge side of the air

When an external safety limit (ECO) opens

operational parameters

Lennox 21W66 Gasket 321894-709 preventing equipment damage and ensuringThe Lennox 21W66 Gasket is a critical OEM replacement component engineered specifically for induced draft assembly sealing in high efficiency residential and commercial heating units. As a veteran tech knows, a compromised seal at the inducer motor lead to pressure switch trips and flue gas leakage. This draft inducer blower gasket (cross referenced as LB 106197) is designed to withstand high temperature combustion environments while maintaining a