Wood Stove Backdraft Damper, The chimney serving a wood stove may backdraft when the negative pressure produced by mechanical ventilators overcomes chimney draft. The addition of a damper will greatly assist in regulating the fire and achieving optimum results. Imperial Bm0242 Cast Iron Damper, 4" Dia. It also aids in starting the stove to get the draft going faster. Specifically designed for use with Norseman add-on furnaces, model 1500 or 2500, this damper prevents chimney back drafts. com: damper AC Infinity 4" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans. Jun 16, 2025 · Discover if a damper is essential for your wood stove. Here you’ll find a cathedral ceiling support box, a backdraft damper set, a fireplace chimney fan, an adjustable single flue chimney cap, sidewall and roof venting, duct adapters and many other related items. Installing a manually operated cast iron damper in the stovepipe between the furnace and the chimney pipe is recommended. This vent is used for bath fan exhaust, range hood exhaust, microwave exhaust and other general venting applications that require moist air and humidity from exiting the home. dcxp, nfe, osm, 17pa, wagr, fyr, pmr6, gd3, ipvbr, pqi,