Hydrotherm BM-8807 Blower Assembly 320074-702 This 120V component is engineered

This 120V component is engineered to maintain high-velocity flow rates within Lochinvar Knight and Armor series boilers

This is a 120V AC component and should only be used in systems designed for line-voltage ignition sequences

OEM Compatibility: Precision-fit for Lochinvar Knight KBN399 and Armor AWN399 units to ensure sealed combustion integrity

Contained within a rugged Nema 4X enclosure

providing the serial number to our technical team is the most reliable way to confirm compatibility before installation

Hydrotherm BM-8807 Blower Assembly 320074-702 This 120V component is engineeredThe Hydrotherm BM 8807 Blower Assembly is a high performance inducer blower replacement engineered specifically for Hydrotherm GV100 boiler systems. Also identified by the cross reference part number 7021 9093, this unit is essential for maintaining the correct static pressure and venting combustion gasses from the heat exchanger. As an OEM replacement part, it ensures precise fitment and restores the factory specified draft inducer performance