DuraVent DuraFlex Pro 3" x 20' Stainless Steel Length d54 Click to see Optional Fire

Click to see Optional Fire Glass Media (Recommended 90 lbs)

The anti-condensation switch is intended for Napoleon's gas appliances with the SIT ipi gas valve in order to keep the pilot lit to reduce condensation within the firebox

This high elevation kit is specifically for use with your Williams Natural Gas 50

The WM-42-B features the stunning multi-colored state-of-the-art FIRE & ICE ® flame presentation

Z3 - Polished Brass

DuraVent DuraFlex Pro 3" x 20' Stainless Steel Length d54 Click to see Optional FireDuraFlex Pro DuraFlex Pro is the ultimate in flexible steel liners for strength and flexibility. It features 20% more stainless steel per foot compared to other liners on the market. Its extreme flexibility facilitates problem free installations where multiple offsets are needed. DuraFlex Pro is available in 3 through 12 diameters in lengths, kits and custom lengths. DuraFlex Pro is manufactured utilizing highly corrosion resistant 316 Stainless