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The Armstrong 28J96 is a replacement gasket designed for use in Armstrong Air heating and HVAC equipment. Gaskets of this type provide a critical sealing function between mating surfaces, preventing flue gas, combustion air, or process fluid from escaping the sealed joint. This part is sold as a single gasket and is installed by licensed HVAC technicians or qualified service professionals performing routine maintenance or component replacement on Armstrong Air systems.
This gasket is suited for residential and light-commercial Armstrong Air furnace or air handler applications where a factory-replacement seal is required. It is intended as a direct OEM-style replacement, restoring the original sealing integrity of the joint it covers. Technicians typically encounter this part during heat exchanger service, blower compartment access panel maintenance, or flue transition repairs.
Designed as an OEM-style replacement gasket for Armstrong Air heating and HVAC equipment. Consult the equipment service manual or Armstrong Air parts documentation to confirm fitment for your specific model before ordering.
Installation should be performed by a licensed HVAC technician. Before replacing the gasket, shut down the furnace or air handler completely and allow all components to cool to a safe handling temperature. Inspect mating surfaces for warping, corrosion, or debris before seating the new gasket, and follow applicable local mechanical codes and the manufacturer service manual for proper assembly sequence.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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