As an authentic ICP replacement part

though for standard 3-5 year maintenance intervals

and mold spores as small as 1 micron without causing excessive static pressure drop

or repetitive FVIR safety trips

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

Lochinvar & A.O. Smith 100223755 Burner Assembly 319825-402 As an authentic ICP replacementThe 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