![901937 16" Exterior Roof Jack Flue Extension, RG1/ RO1 Series](https://d2yn8sruhmqjt4.cloudfront.net/userfiles/images/inriver/preview/163768_rev901937.jpg)
Sign In to View Pricing & Availability
- External flue extension is used to provide additional clearance between the flue and roof - especially useful in areas that receive heavy snowfall.
- Inner Diameter (Bottom)5-3/8 inInner Diameter (Top)5-1/2 inLength16 inManufacturerStyle CrestManufacturer #901937Outer Diameter (Bottom)8-3/8 inOuter Diameter (Top)8-1/2 inSpecificationsFor External UseSuitable For Use WithRG1-RG7, RO1, M5SB, MG1E FurnacesTypeFlue Extension