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Features
- For use with Category II, III and IV gas-fired appliances; high-efficiency gas boilers, furnaces, booster heaters, pool heaters, water heaters, unit heaters or tankless water heaters
- Listed as Type BH gas vent systems for appliances having a rated operating flue temperature of 480°F
- Double-wall system is interchangeable with Security Chimneys™ CTX single-wall system
- Laser butt-welding reinforces strength and prevents leakage while increasing durability and reliability
- Built-in mechanical gear clamps provide quick and easy assembly and disassembly, requiring less time on the job site
- Secure Seal® gaskets are self-sealing, so there’s no need to apply sealant when pieces are joined for a fast and lower-cost installation process
- Wall thimble with built-in adjustable vent length provides horizontal adjustability with no requirement to cut the pipe
- Standard adjustable vent length provides vertical or horizontal adjustment for easy system pitching
- AL29-4C® stainless steel resists the extreme corrosive environments found in condensing boilers, assuring trouble-free operation and longer product life
- Tested and listed to UL-1738 and ULC-S636
- 15-year warranty
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