Ultra-Temp Model UT is Safety Tested and Listed to applicable UL/ULC Standards.
Allowable Flue Gas Temperatures are:
Maximum Continuous 1,000°F / 540°C
Brief Forced Firing 1400°F / 760°C (60 min.)
Creosote Burn Out 2100°F / 1150°C (3 x 10 min.)
Canada: ULC S-604 - Safety Standard for chimneys serving liquid/gas fuel appliances
This chimney system may be used on appliances that burn Oil or Gas.
Ultra-Temp Model UT may also be used with specifically listed
factory-built fireplaces, which are listed with either 6" or 7" diameter chimney.