Standard Reducer/Increaser

316L stainless steel increaser/reducer for chimney lining connections. Now you can adapt pipes of many different sizes with this little handy guy. You can use this adapter to connect stainless steel rigid chimney liner to different appliances including inserts, fireplaces, wood stoves, etc. For flexible liner, you will also need an Appliance Connector to make a secure connection to the increase/reducer. It comes with 2 female ends so you can crimp whatever end you need to on the job. Butt welded seams and expanded to perfection, and Rockford chimney liner supply offers you this quality product. We offer a crimping service if you'd like us to crimp the item for you. Once the item is crimped, it is non-returnable.

The sizes above are not available in the Free Flow design, but are available as standard increase / reducers.

Use the conveniently sized 90ml squeeze tube of Mill-Pac to seal the connection. Maximum temperature range 1050 degrees Fahrenheit. Product cures with heat from the appliance. Optional accessory.

Not what you're looking for? If we don't have it, our custom shop will build it, usually within 48 hours!