Interlock with residential/light commercial gas or oil heating equipment to provide a reliable source of fresh, outside air for more efficient combustion and reduction of negative pressure induced backdrafting.
Fan proving switch safely interlocks and indicator light assures adequate combustion air before burner ignition.
Split wheel blends room air with outside air for comfortable, tempered discharge.
3" PVC is used for inlet pipe runs and standard 6" flex or metal duct can be used on discharge side.
Models feature factory pre-wired controls.
Built in damper, easy installation, quiet operation and affordability. Inputs from 40,000 to 290,000 BUT/hr