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ensure that all damper accessories are protected from direct environmental exposure or housed within appropriate weather shields for maximum service life
technicians should verify the manifold and blower flange dimensions against the technical parts list for their specific BTU rating
or COAT models
the contacts will close automatically to resume operation
Lennox 51W15 Interlock Switch ensure that all damper accessoriesThe Lennox 51W15 Interlock Switch serves as a fundamental safety component within residential and commercial furnace and air handler cabinets. This genuine Lennox OEM part is engineered to break the electrical circuit to the blower motor and control board immediately upon the removal of the service panel. By maintaining positive contact when the door is secured, the 51W15 furnace door switch prevents accidental exposure to high voltage components and
