Pellet Stove Wall Thimble Clearance

The exhaust vent pipe must extend at least 12 300 mm out past the exterior wall.

Pellet stove wall thimble clearance. Note that drywall mounted on wood framed walls is considered a combustible wall for clearance distance purposes. Clearance from the woodstove vertical flue to unprotected wall surface 18. Duravent 4 inch wall thimble 3 inch clearance 4pvp wt3 stove grill parts for less dura vent pellet vent fireplace 4 inch wall thimble 3 inch clearance is used to provide required 3 ft clearance to combustibles. Note that some jurisdictions may require a greater distance between the wood or pellet stove and the ceiling.

Suitable for a high altitude installation. Install a listed horizontal termination cap or if necessary install a 90 elbow and appropriate length of vertical venting. Insulated wall thimbles are designed so the thimble assembly will reduce the minimum 18 inch clearance to combustibles to a minimum of at least 2 clearance. This is a replacement combustion air system wall thimble for duravent pelletvent pro 3 venting with a painted black exterior.

A 6 inch pipe would need a 42 inch diameter hole cut through a combustible wall. Diameter wall thimble adjustable to match the wall thickness. Can be used to a vent wood pellet burning stove only. Interior side is painted black.

Temporarily attach the vent pipe to the stove then bore a inch pilot hole through the exterior house wall. Place the pellet stove on top of the floor pad making sure to maintain the proper clearances from combustible surfaces. You should pack insulation snugly against the outside box frame of the thimble but never place insulation into the area within the thimbles s cylinder. The thimble diameter must be at least 12 inches larger than that of the stovepipe thus giving at least 6 inches of metal lined ventilated clearance.

If you do not use a thimble the clearance must be three times the pipe diameter. This wall thimble measures 9 x 14 3 4 and will fit wall depths from 4 to 6 1 2 and includes an insulation ring to reduce air infiltration where the pipe slides through the thimble combustio. Duravent 4 in. 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.

Align the hole with the edge of the vent pipe.