though for standard 3-5 year maintenance intervals

this direct-fit air inlet assembly eliminates the need for field modifications

Whether you are performing a seasonal pool heater manifold repair or a full heat exchanger swap

Key Benefits OEM Compatibility: Specifically engineered for a precise fit in York HVAC units

ensuring zero-clearance fitment during refurbishments

Lochinvar & A.O. Smith 100223755 Burner Assembly 319825-402 though for standard 3-5 yearThe Lochinvar & A. O. Smith 100223755 Burner Assembly is a precision engineered 18 inch final burner assy designed for high recovery commercial water heaters and industrial boiler systems. Featuring a factory calibrated #29 orifice and integrated thermocouple (TC) port, this assembly ensures stoichiometric combustion and stable flame rectification. As a genuine OEM replacement part, it maintains the specific manifold pressure and BTU input required