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AllFuel HST

15 Degree Elbow Kit for 6" Inner Diameter Class-A Chimney Pipe

15 Degree Elbow Kit for 6" Inner Diameter Class-A Chimney Pipe

Regular price $299.00 USD
Regular price Sale price $299.00 USD
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The 15 Degree Elbow Kit is used to get past rafters or away from an obstruction like plumbing, HVAC, or the roof peak. Up to two lengths of chimney pipe (for a maximum run of 72" between elbows) can be added between elbows to allow for necessary spacing.

An Elbow Strap is included and helps support the weight of the offset from the elbows. If your installation includes two lengths of pipe between the elbows a second Elbow Strap (sold separately) is required.


Our double wall Class-A insulated chimney system delivers superior safety and performance. The 1.18" thick high density ceramic fiber blanket insulation is sandwiched between two 0.019" thick 304 stainless steel walls. Compared to our competitors 430 stainless steel or galvanized steel, 304 stainless steel provides superior corrosion resistance while our 0.019" thick inner and outer walls are as must as 25% thicker than our competition.

  • Inner wall 0.019"-thickness 304 stainless steel
  • Outer wall is 0.019"-thickness 304 stainless steel
  • High Density Ceramic Fiber Insulation is 1.18" thick
  • Precision Engineered Twist Lock design


Certified and listed to the UL 103HT standard and designed for appliances that are listed for use with a 2100 Degree Fahrenheit High Temperature chimney system. It can be used with wood stoves, fireplaces, fireboxes, furnaces, boilers, water heaters, pizza ovens and other residential heating appliances fueled by wood, gas, coal or oil.

Note:Do not use with forced draft, positive-pressure appliances.

The UL 103HT chimney is designed and tested for maximum continuous use at 1000 degrees Fahrenheit. UL certification requires a stringent and rigorous test including a one hour burn at 1400 degrees Fahrenheit and three - ten minute burns at 2100 degrees Fahrenheit.

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