Pellet Stove Wall Thimble Installation

Two very important components of the pellet stove flue pipe installation are the interior wall thimble and the exterior wall thimble.

Pellet stove wall thimble installation.

This provides additional heat fire protection for any combustible materials in the wall. As you can see in the video the interior and exterior wall thimbles fit inside one another. A pellet stove is typically installed just 1 to 2 inches away from a rear wall but you can install it farther out if you like. Compatible with only wood pellet burning stoves this wall thimble is durably made of stainless steel with and double wall air insulated design and factory sealed seams for long lasting durability reliability and exceptional performance.

In general it is pretty complicated. With a sleek black interior side the wall thimble blends easily with most interior spaces. Place the pellet stove on top of the floor pad making sure to maintain the proper clearances from combustible surfaces. The vent can travel out the back of the stove through the wall making it inconspicuous if not nearly invisible.

You need to create a vent for your stove by using a double walled steel pipe. 180 degree heat shields are available for single wall pipe to reduce clearances to 6 for walls and 9 to the ceiling. Set a fireproof pad onto the floor at the desired installation location. The most difficult installation is the vent of the pellet stove.

Temporarily attach the vent pipe to the stove then bore a inch pilot hole through the exterior house wall. More examples of chimney thimble installations. Installing the stove pipe 1 work from inside and fit the shorter horizontal section of pipe through the wall until the inner end is about two inches from the face of the wall. For added durability pelletvent seams are factory sealed on all elbows tees and fittings.

Clearance for double wall stove pipe is 6 for these areas. Wall thimble adjusts to fit most walls and is designed for high altitude installations or installations over 15 ft. Install a code approved non combustible hearth pad for the stove to rest on.