Napoleon 3" 20ft Flex Vent Kit, Recommended for most chimney installations
Shipping & Delivery
Most orders arrive within 4–10 business days — 1–3 days to ship, 3–7 days in transit. Need it faster? Email info@dawsonheat.com.
Shipping & Delivery
Most orders arrive within 4–10 business days — 1–3 days to ship, 3–7 days in transit. Need it faster? Email info@dawsonheat.com.
The Napoleon GDI-320KT is a 20 ft vent kit for installing a Napoleon direct vent gas insert in a masonry chimney. It uses two 3" double-ply aluminum liners, one for the combustion air inlet and one for the exhaust. It is the recommended choice for most chimney installations; check your insert's manual to confirm it is approved for your model.
Type: Flex Vent Kit
Model: GDI-320KT
Length: 20 Ft.
Liner Size: 3" | 3"
Material: Double-Ply Aluminum
Compatible With: Napoleon Direct Vent Gas Inserts