4" x 25ft Aluminum Gas Chimney Liner Kit Z-Flex
4" x 25ft Aluminum Gas Chimney Liner Kit
Brand: Z-Flex
Part#: 2GACKIT0425
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Description

4" x 25ft chimney liner insert kit for gas applications (natural and propane), including gas fireplaces, boilers, water heaters, furnaces, unit heaters, etc. Includes 2-ply corrugated aluminum liner, aluminum rain cap, galv. steel mortar collar, galvanized steel flat 16" x 16" flashing and screws. Connects directly to the appliance outlet.
Note 1: the liner ships compressed for space and cost-saving considerations.
Note 2: for a secure connection to a gas fireplace or fireplace insert, we recommend using 2ZSCPRP04 adapter.

Cross-References:
  • Hart & Cooley/AmeriVent: 4ALK25
  • Selkirk: AF25-04
  • DuraVent: 4FDA-25K

Features:
  • 25-year liner warranty
  • For use with gas-fired (natural and propane) Category I (atmospheric vented) appliances, including gas fireplaces
  • Listed to UL1777, ULc S635 (Class 1) Standards for venting gas-fired appliances, including fireplaces, where temperatures do not exceed 470°F
  • 2-ply aluminum construction for extra durability and extended lifespan
  • Air-tight and leak-proof patented Triple-Lock seam
  • Complete kit includes chimney liner, mortar collar, bird-proof rain cap, self-tapping screws and a flat flashing
  • Flexible, puncture-resistant and lightweight

Technical Specifications:
  • Liner Diameter: 4"
  • Liner Length: 25ft
  • Material: 2-Ply Aluminum
  • Max. Temperature: 470°F
  • Minimum Chimney Inside Dimensions: 4-5/8" x 4-5/8"

Warranty:
25-year Liner Warranty

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