100233609 Lochinvar Flapper Valve Gasket

The Lochinvar 100233609 is a genuine OEM Flapper Valve Gasket designed to provide an airtight seal between the flapper valve assembly and the blower/combustion assembly in compatible Lochinvar commercial condensing boilers and water heaters. It helps maintain proper combustion airflow, prevents air leakage, and supports safe, efficient boiler operation. This part supersedes the legacy part number GKT20012.

Specifications

• Manufacturer: Lochinvar (A. O. Smith)

• Part Number: 100233609

• Product Type: Flapper Valve Gasket

• Function: Seals the flapper valve/blower assembly to maintain combustion integrity

• Material: High-temperature gasket material

• OEM: Genuine OEM Replacement

• Replaces: GKT20012

• Application: Commercial condensing boilers and water heaters