Lennox 21W66 Gasket 326058-755 Commercial Grade: Frequently utilized in

Commercial Grade: Frequently utilized in Carrier PTAC units for durable

By preventing the bypass of combustion gases and minimizing heat loss

this kit ensures the check module maintains a tight seal and reliable 2-psi differential pressure required by code

Reduced System Wear: Prevents refrigerant backflow

it is engineered to maintain low pressure drop across the drier housing while providing superior water-holding capacity even in high-temperature liquid lines

Lennox 21W66 Gasket 326058-755 Commercial Grade: Frequently utilized inThe 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