In this case you will need to go from the 4 inch chimney liner tee down to 3 inch.
Installing chimney liner for pellet stove.
A thick tarry smoke rises from every fire you burn and without a liner it will stick to the walls of your chimney and create a fire hazard.
The liner extends past the top of the chimney by at least a foot and is covered with a vent cap.
For wood pellet gas oil and coal burning appliances.
Please remember these liners are sold in 5 increments 15 20 25 so for instance an 18 chimney will need a 20 liner.
The vent cap must have a cover to prevent rain water from entering the vent and chimney liner.
This video shows the installation of a stove as well as the initial preparation testing and also re lining of an existing chimney using schiedel s tecnofle.
Chimney liners are a necessity if you own a home with a wood or gas or pellet or corn burning fireplace.
Twisting the flexible liner will help you install the liner if you are getting caught or hung up on the chimney walls.
Proceed to lower the liner down the chimney until you reach the thimble.
When installing a chimney liner for a pellet stove there is one thing to remember.
Installing a pellet stove pipe in an existing chimney requires a chimney liner.
This is a metal pipe that attaches to the pellet stove at one end typically with a pellet stove pipe chimney adapter and extends all the way through the chimney and above the roof at a suitable clearance.
The thimble is referred to as the hole on the side of the chimney in the living space that allows stove pipe to attach to the chimney.
Most pellet stoves have 3 inch vent sizes.