As a heat exch divider gasket (also known as a hex gasket for the divider panel)

Common Questions: What is the function of the N/C logic in this switch

the 100233643 provides exact dimensional fitment and material compatibility for Lochinvar Crest series units

Always verify the part number on your existing motor housing before installation

Reznor 102281 Gasket Kit 318423-701 As a heat exch dividerThe Reznor 102281 Gasket Kit is a critical field service component engineered specifically for the B BE130 400 series gas fired burners and unit heaters. As a veteran technician knows, maintaining a hermetic seal at the heat exchanger and burner interface is non negotiable for safe, high efficiency combustion. This OEM Reznor replacement kit includes all necessary self adhesive gaskets precision cut to match the manifold and header panel