Do I Need A Chimney Liner For A Gas Furnace

do i need a chimney liner for a gas furnace now for the size of pipe this depends on what you are venting and their sizes for both our furnace and water heater we used 5 pipe but please do

do i need a chimney liner for a gas furnace now for the size of pipe this depends on what you are venting and their sizes for both our furnace and water heater we used 5 pipe but please do.

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