The Secure TempTM ASHT+ insulated
stainless steel high-temperature
chimney is listed to standards
established for temperatures of
2100°F for venting solid-fuel, oil,
gas and coal appliances.
Tested to UL 103HT in all diameters.
The Secure TempTM ASHT+ is also
available in aluminum-zinc coated
steel exterior casing.
Coupler system, Twist-Lock assembly for fast and easy installation;
no screws or other attachments required
Double-lapped flue seam provides radial expansion; this prevents
flue from separating or buckling
Secura Plus-2 insulation, pressure-packed to retain high-flue
temperatures; totally non-caustic and chloride free
Available in 5" to 10" inside diameters
2" safety clearance from combustible materials with all
diameters
Available in 8", 12", 18", 24", 36"
and 48" lengths