A Lochinvar 100233624 Gasket seals key air arm connections to reduce leakage and preserve steady airflow within the assembly.
The gasket creates a tight seal at the small air arm connection so the HVAC system maintains correct airflow, pressure and combustion-related performance where applicable. Its square 6.938-inch design matters because the precise shape and sizing support proper fitment, reduce air leakage and preserve reliable operation in heating and cooling equipment.
The gasket may need to be replaced if the heating and cooling unit shows airflow inconsistency, pressure loss, reduced efficiency or unusual operating behavior caused by leakage around the small air arm. Physical signs can include cracking, flattening, brittleness or deformation and environmental signs may include moisture exposure, heat wear or residue buildup that could compromise the seal.
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You can check the delivery status of your real OEM heating and cooling parts by heading to our Track My Order page and typing in your order number or purchase order (PO) number and zip code. With updates readily available, you can feel confident that your shipment is moving through the delivery process smoothly.
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Absolutely! Customers are able to return most new, unopened real OEM heating and cooling replacement parts within 90 days of delivery, so go to our Returns page and see if your order qualifies. For orders fulfilled by a third-party seller, you'll need to follow their own policy.