"The rugged all fuel chimney that makes every installation simple,
fast and produces superior performance"
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This Chimney System Meets All UL® Requirements.
ULTRA-TEMP-Type HT has been tested to 2100°F. This is the high temperature test option of Underwriters' Laboratories Safety Standard for Factory-Built Chimneys, UL®-103. The PLATINUM SERIES Chimney size in 8 inch, are not only UL® Listed as a "Type HT Chimney", but these sizes have passed additional exhaustive and stringent laboratory tests called for in UL®-103.
The PLATINUM SERIES Type HT chimneys are designed specifically for “airtight” stoves.
This chimney is ideal for venting residential heating appliances burning wood, #2 oil, natural and LP gas. It has been specifically designed for today's modern, highefficiency "airtight" wood stoves. It is also suitable for wood burning heaters and for combination fuel central heating furnaces.
Type HT Temperature Tests
Type HT Chimney is intended for maximum continuous operation at 1000°F flue gas temperature at two inches air space clearance to enclosing combustible test structure. The chimney is also tested at 1400°F for a one hour period. The important Type HT tests consist of three firings at 1000°F, long enough to obtain steady conditions, each followed immediately by 10 minutes at 2100°F. These tests were developed to assess a chimney's ability to prevent product damage or structural hazard during brief periods of excessive chimney temperature.
The Multi-Fuel Chimney
Type HT Chimneys are designed for gravity venting only. They are usable on any appliance having a power burner (such as an oil furnace) if that appliance operates with neutral or negative draft at its outlet. Non-residential appliances which may cause positive pressure in the chimney should use a Model PS or IPS commercial system. Appliances burning coal require chimneys with additional resistance to corrosion to cope with the sulphur and chloride found in many coals.
Unparalleled Engineering and Design
Heavy Duty Stainless Steels are used for all system components. The smooth stainless steel inner liner produces rapid stabilization of strong draft and heats fast to minimize condensation as waste gases are exhausted. The outer casing carries structural loads leaving the inner pipe  free to expand without stress. The solid pack Low-K insulation in the pipe assures the highest possible inner wall temperature by preventing circulation of air between inner and outer chimney walls. Solid pack insulation blocks escape of heated air, a problem which air-insulated designs cannot avoid.
Insulation Factors
Special augered in mineral wool insulation filling the space between stainless steel walls is only 1 inch thick, yet it provides 17 times the insulating value of brick. This optimum density of insulation stops expansion noises and resists and contains surges of heat. This allows the system to be enclosed with only 2 inch clearance to combustibles. Its a special material that is thoroughly tested to meet our own strict standards. The "solid pack" density, chimney pipe insulation comprises about 85% air. The mixture of extremely fine fibers trap this air in the pores of the insulation and also blocks radiation heat transfer. This accounts for the outstanding effectiveness of fully insulated chimneys.
Installation Ease
This chimney system can easily be installed by one man. The lightweight pipe with threaded internal couplers locks together in seconds with a 1/8 turn. Locking Bands are furnished with every pipe length to assure complete joint security during cleaning or where the chimney must be sloped between offsets. Only a screwdriver is needed-to tighten the Locking Band-for normal pipe assembly. A further advantage is that the pipe can be quickly taken apart without damage to the joints and can be reinstalled as easily as the first time. All parts and accessories have been designed for the most simple step-by-step installation. General installation instructions are furnished with all major support packages.
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