About the DuraVent 46DVA-08AB DirectVent Pro 4" Double-Wall Pipe Extension, 8-1/2" - Black (6-5/8" O.D.)
Save on the DuraVent 46DVA-08AB DirectVent Pro 8-1/2" Double-Wall Pipe Extension, 4" x 6-5/8", Black at PlumbersStock. Double-wall pipe is built to withstand hot stove temperatures. DirectVent Pro is a concentric venting system for direct vent gas or propane applications, like stoves, heaters, and fireplaces.
Use to add length to a straight length of DirectVent Pro. 8 ½” pipe adds 3” - 7” of length, 16” pipe adds 3” - 14 ½” of length, when used with rigid sections of pipe. Direct vent lengths feature a fully unitized, twist-lock construction. Use of sealant is optional, unless specified by the appliance manufacturer. Available in black or galvalume exterior (both feature laser-welded outer wall seams). Does not fit DirectVent GS pipe.