Since the Honeywell 305929/U and 305929 models are identical

ensuring consistent power flow across all legs

Double-check your existing base before replacement

it ensures precise mechanical engagement and reduces the risk of pitted contacts or electrical chattering under heavy startup loads

Lochinvar & A.O. Smith 100093923 Assembly R-410A Since the Honeywell 305929/U andThe 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