Venting

4RV-WB is a 4" Diameter, Wall Band for 4" RV Round, Galvanized Selkirk Metalbestos Gas Vent. Model RV features Lock-Tab locking system which provides 360 degree flexibility while maintaining security. Aluminum inner liner and galvanized outer wall heats...

4VP-WB is a 4" Diameter, Wall Bracket/Support, Pellet Vent from Selkirk. Model VP is the DIYer's pellet vent of choice for a safe, efficient and cost-effective venting system. It has been engineered specifically for wood pellet burning appliances...

4RV-WT is a 4" Diameter, Wall Thimble for 4" RV Round, Galvanized Selkirk Metalbestos Gas Vent. Model RV features Lock-Tab locking system which provides 360 degree flexibility while maintaining security. Aluminum inner liner and galvanized outer wall...

4VP-WTT is a 4" Diameter, Wall Thimble - Thick, Pellet Vent from Selkirk. Model VP is the DIYer's pellet vent of choice for a safe, efficient and cost-effective venting system. It has been engineered specifically for wood pellet burning appliances...

4VP-WT is a 4" Diameter, Wall Thimble, Pellet Vent from Selkirk. Model VP is the DIYer's pellet vent of choice for a safe, efficient and cost-effective venting system. It has been engineered specifically for wood pellet burning appliances. Galvanized...

4" Exhaust Flue Pipe Assembly for various Napoleon heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.

4" Flex Adapter for the Ironstrike and Superior wood stoves.    Part # UZIAD Original OEM part.

ID4 is a 4 Inch Insulated Flex Duct for Outside Air. This includes two 42 Inch Sections. This is a genuine manufacturer part from Hearth & Home Technologies. For Heatilator Models: Accelerator A36C Accelerator A36CH Accelerator A36R Accelerator...

4" Plate for various Napoleon heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.

UD4 is a 4 Inch uninsulated flex duct for outside air. This includes two 42 Inch sections. This is a genuine manufacturer Hearth & Home Technologies venting component. For Heatilator Models: Accelerator A36C Accelerator A36CH Accelerator A36R...

4PVP-WTI3 is a 4 Inch diameter wall thimble with a 3 inch air intake. This is used with PelletVent Pro pipe. ApplicationsPelletVent Pro® is a venting system designed for stoves and inserts that use wood pellets and oil fuel. It is also built to vent...

4" white metal vent cap is used on outside air adapters for wood burning units.

Flex300-10 is a 4 inch by 10 feet aluminum flex liner that can be attached to an outside air adapter.  Insulation and silicone are sold separately - part #s 8TC070-4X25 and SIL500   Genuine OEM part

4" x 25' Flex Kit with Cap - 948-425 for Regency gas heating units. Regency gas stoves: U38 Genuine OEM part

8TC070-4X25 is a 4 inch by 25 feet insulated to sleeve over a four inch aluminum flex duct (Flex300-10).  Silicone sold separately SIL500   Installation Instructions Specifications

4" x 25' Stainless Steel Flex Liner Kit (includes cap, flashing, adapter, hardware) - Flex 405KA.  There is no reducer in this kit.