Lochinvar & A.O. Smith 100093923 Assembly 320788-702 By correcting misalignment and absorbing

By correcting misalignment and absorbing rotational shock

For systems with auxiliary or emergency heat strips

the high-limit switch had been tripped by excessive heat

it serves as the primary safeguard against inadequate venting or combustion air blockages

What causes this controller to fail

Lochinvar & A.O. Smith 100093923 Assembly 320788-702 By correcting misalignment and absorbingThe Lochinvar & A. O. Smith 100093923 Assembly is a precise MFG40 NAT Manifold Door Assy engineered for natural gas water heaters. As a veteran grade OEM replacement part, this assembly ensures a critical airtight seal for the combustion chamber, maintaining the high efficiency performance required in standard and commercial heating applications. Built to withstand the thermal stress of constant cycling, the manifold door assembly integrates a heavy