Lochinvar & A.O. Smith 100112699 Manifold Door Gasket

Description

Lochinvar & A.O. Smith 100112699 Manifold Door Gasket

The Lochinvar & A.O. Smith 100112699 is an OEM replacement manifold door gasket engineered to maintain a proper combustion seal on compatible Lochinvar and A.O. Smith heating equipment. Replacing a worn or damaged manifold door gasket is essential for safe, efficient burner operation — preventing flue gas leaks, maintaining combustion integrity, and protecting downstream components from heat and pressure exposure.

Key Features

• OEM replacement part for compatible Lochinvar and A.O. Smith heating systems
• Designed to seal the manifold door and maintain combustion chamber integrity
• Helps prevent flue gas bypass and ensures proper burner performance
• Precision-formed to match original equipment dimensions for a drop-in fit
• Supports safe, code-compliant operation of your heating appliance

Application

This gasket is intended for use as a direct OEM replacement on select Lochinvar and A.O. Smith boiler and water heater models. Always verify compatibility with your specific unit’s model and serial number before installation.

Why Replace Your Manifold Door Gasket?

A compromised manifold door gasket can lead to combustion gas leaks, reduced heating efficiency, and potential safety hazards. Using a genuine OEM replacement part like the 100112699 ensures the correct material composition, dimensional accuracy, and long-term sealing performance that aftermarket alternatives may not provide.