Lennox 27M78 Flue Gasket Kit Always verify the crank arm

Always verify the crank arm hole diameter and rod thickness before field installation

low-resistance connections during field installation

or low gas pressure forcing flames out of the combustion area

This industrial-grade fan blade provides the structural rigidity necessary to resist flexing under high RPMs

Efficient Maintenance: Facilitates rapid valve rebuilding using standard tools

Lennox 27M78 Flue Gasket Kit Always verify the crank armThe Lennox 27M78 Flue Gasket Kit is a critical OEM component designed to maintain an airtight seal between the flue pipe and the heating appliance. Also identified as Lennox 27M7801, this high temperature resistant gasket kit is engineered to withstand the thermal stress and corrosive secondary heat exchanger environments typical of Lennox G40DF, G50DF, and G60DF series units. Proper sealing of the flue system is essential for preventing dangerous