Clay tile flue liners are very common in the United States, although it is the only liner which does not meet Underwriters Laboratories 1777 approval and frequently they have problems such as cracked tiles and improper installation.
Clay tile flue liners are very common in the United States. It is the only liner. This only liner does not meet Underwriters Laboratories 1777 approval. Frequently they have problems such as cracked tiles. Frequently they have problems such as improper installation.