Venting

4DT-WS/B is a 4" x 6 5/8" Diameter, Wall Support/Band from Selkirk. Direct Temp is designed for aesthetic-minded hearth professionals for approved appliances. 304 Stainless steel inner liner...

4DT-WT is a 4" x 6 5/8" Diameter, Wall Thimble Black from Selkirk. Direct Temp is designed for aesthetic-minded hearth professionals for approved appliances. 304 Stainless steel inner liner providing...

4DT-AAN is a 4" x7" Stove Adapter 1604247B. Direct Temp is designed for aesthetic-minded hearth professionals for approved appliances. 304 Stainless steel inner liner providing exceptional corrosion...

4"x7" Horizontal Venting List used on old Majestic and Vermont Castings heating units. Venting Options  

4"x7" Vertical Venting List used on old Majestic and Vermont Castings heating units. Venting Options  

4' [48"] Flex Vent Kit with Cap [includes #800-WPT3] for Kozy heating units.   Genuine OEM part

4' Flex Vent Kit [Includes #700-WPT] for Kozy heating units.   Genuine OEM part

4RV-WS/B is a 4' Wall Support/Band Assembly for 4" RV Round, Galvanized Selkirk Metalbestos Gas Vent. Model RV features Lock-Tab locking system which provides 360 degree flexibility while maintaining...

4'' Oval 12" Length - 4" Diameter - Ridge Pipe B-Vent Gas Vent Chimney, Duravent.   Oval Gas Vent Instructions Chimney Venting Sizing

4'' Oval 6" Length - 4" Diameter - B-Vent Gas Vent Chimney, Duravent. Model OV is an oval Type B Gas Vent that provides the venting capacity equivalent to round Type B Gas Vent. Available in 4"- 6"...

4'' Oval 6" Length - 4" Diameter - Ridge Pipe B-Vent Gas Vent Chimney, Duravent.   Oval Gas Vent Instructions Chimney Venting Sizing

4'' Oval Adjustable 12" Length - 4" Diameter - B-Vent Gas Vent Chimney, Duravent. Model OV is an oval Type B Gas Vent that provides the venting capacity equivalent to round Type B Gas Vent. ...

4'' Oval Adjustable 12" Length - 4" Diameter - Ridge Pipe B-Vent Gas Vent Chimney, Duravent.   Oval Gas Vent Instructions Chimney Venting Sizing

4RV-TS is a 4'' Tee 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...

National Chimney’s 2-Ply 3003 aluminum liner can be used to vent Category I gas appliances with A.F.U.E. of 83% or lower. In many cases, especially when only water heaters are vented into masonry...