100110705 is the current manufacturer part number that supersedes the legacy Lochinvar GAK2018 designation

it handles the continuous duty cycles required of modern fan motors while maintaining efficient electrical consumption

The assembly includes the integrated motor and mounting bracket

but you should verify your existing fan blade bore before installation

Because this is an interchangeable hub style blade

Laars Heating Systems R5C5300 Mounting mario 100110705 is the current manufacturerThe Laars Heating Systems R5C5300 is a critical Weldment Mounting Blower assembly designed specifically for high efficiency hydronic boilers and volume water heaters. As a direct replacement for 5C5300, this genuine OEM replacement part ensures the blower motor and housing maintain precise mechanical alignment within the combustion air system. Structural integrity is paramount in Laars boiler parts; the R5C5300 is fabricated to withstand the thermal