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- Hart & Cooley® Chimney Liner Kit, Series: ALK, 25 ft Length, 4 in Width, For Use With: Type B Gas Vent Systems, Aluminum, Domestic
- Standard kit lengths of 15 ft, 25 ft and 35 ft
- Extension kit include Flexi-Liner with attached connector and fastener package
- Pull-downs stretch and lead the Flexi-Liner down the chimney
- Liner material aluminum 3003, 2-ply (0.005 in each)
- Max flue gas temperature 470 deg F
- Stretch ratio 5:1 (approximate)
- Clearances 0 in between liner and chimney interior 0 in between combustibles materials and chimney exterior
- For venting only category 1 gas-fired appliance (natural/Negative draft, non-condensing) in masonry chimneys
- Flexible Length, Round Top, Flashing and Mortar Guard
- Domestic / ImportDomesticMaterialAluminumSuitable For Use WithType B Gas Vent SystemsLength25 ftManufacturerHart & CooleyManufacturer #4ALK25SeriesALKWidth4 in