Question: How do I measure my existing flue for a chimney liner?
Answer: For an appliance requiring a horizontal ( T Connection) connector, Measure from 12 inches above the top of the chimney down to the thimble bottom.
Answer: For an appliance requiring a vertical ( top vent appliance connector) connection connector, Measure from 12 inches above the top of the chimney down to the top of the appliance ( wood stove, fireplace insert).
316Ti Chimney liner Kits