Don't sweat a wall pass-through in your venting installation or update - use this Dura-Vent Wall Thimble when passing Dura-Vent Type B vent pipes with a 5 inch inner diameter through a combustible wall. Passing pipes through some kind of combustible wall happens in nearly every venting setup, so this accessory can be really useful.
This thimble works perfectly with other Dura-Vent Type B 5 inch inner diameter vent pipes and components. It carries a limited 25-year warranty and it is designed for use with combustible walls of thicknesses ranging from 3 1/2 inches to 6 inches. Save money, save time, and save yourself a lot of hassle by tackling a combustible wall pass-through with a Dura-Vent Type B Wall Thimble.
- Provides required combustible clearance for through-wall venting
- For use with 5" Dura-Vent Type B Gas Vent pipes
- Adjusts to accommodate walls with 3.5" to 6" thickness
- 25-year warranty