This is the official OEM Empire Wall Furnace vent extension 6″ outer length.
This is the outer 6″ outer air intake piece. The 4″ inner exhaust piece may need to ordered as well (DV-844)
Empire Part Number: DV-845
Allows you to install your DV25 & DV35 wall furnace on walls between 13″ & 19″ inches thick
When installing an Empire wall furnace, sometimes there is vinyl or wood siding on the outside. If so you will also need a DV-822 Vinyl Siding Shield. This siding protector allows the furnace to operate without damaging the outside of the home.