DWKL-Lt

Pressure-tight insulated exhaust system without any gasket, made of stainless steel

Double Wall -Lighter gauge inner Conical all-in-one chimney and exhaust system

444 stainless steel
Optional 304, 316L, or 430 stainless steels

304 polished stainless steel
Optional matt, powder coated, brushed, or copper

Inner Liner 0.020" thick
Outer Jacket 0.025" thick

3 - 18 inch

Ceramic Fiber, 1.5" thick compressed to 1.25" space

Conical, gasket free

Attached to each part

HPE – High Pressure Exhausts

KVS – Kitchen Ventilation Systems

GOV – Gas & Oil Vents

UL Listings (and ULC)
UL-103 Standard Building Heating Appliance Chimney (Industrial Type 540°C Chimney) UL-103 Standard, Additional Type HT Listing UL-2561 Standard, 1400°F Chimney Listing (Industrial Type 760°C Chimney) UL-103 & UL-2561 Standards, Additional Positive Pressure Listing to 90” WC after 1400°F UL-1978 Standard, Grease Duct (ULC-S662 Standard for Factory-Built Grease Ducts) UL-1738 Standard, Venting Systems for Gas-Burning Appliances, Categories II, III & IV (ULC-S636 Standard for Type BH Gas Venting Systems) UL-441 Standard, Gas Vents (ULC-S605 Standard for Gas Vents) UL-641 Standard, Type L Low-Temperature Vent (ULCS609 Standard for Low-Temperature Vents Type L)

UL Listings (and ULC)

UL-103 Standard
Building Heating Appliance Chimney
(Industrial Type 540°C Chimney)

UL-103 Standard, Additional Type HT Listing

UL-2561 Standard, 1400°F Chimney Listing (Industrial Type
760°C Chimney)

UL-103 & UL-2561 Standards, Additional Positive Pressure
Listing to 90” WC after 1400°F

UL-1978 Standard, Grease Duct (ULC-S662 Standard for
Factory-Built Grease Ducts)

UL-1738 Standard, Venting Systems for Gas-Burning
Appliances, Categories II, III & IV (ULC-S636 Standard for
Type BH Gas Venting Systems)

UL-441 Standard, Gas Vents (ULC-S605 Standard for Gas
Vents)

UL-641 Standard, Type L Low-Temperature Vent (ULCS609
Standard for Low-Temperature Vents Type L)