Our new Direct-Temp® direct vent reducer allows you to adapt 5 x8" Direct-Temp pipe diameter to the 4 x 6-5/8" pipe diameter for vertical run applications when permitted by appliance manufacturer.

DIRECT-TEMP 5DT TO 4DT REDUCER Features: Siliconozed fiberglass seal 304 Stainless Steel welded seam inner flue LockTab security Pipe rotates easily to align system components No sealant required High efficiency performance Clearance Specifications: Refer to appliance manufacturer's installation instructions for proper clearance to combustibles. Connection Specifications: Joint/Connection Overlap: 1-5/8" Joint/Connection Type: Twist-Lock standard on all diameters Material Specifications: Outer Wall: Heavy duty galvanized steel Inner Wall: 304 Stainless Steel Miscellaneous: Supported Fuels: Gas Only Warranty: The Smart Choice Lifetime Warranty