Mechanical code
Code authorities, designers and installers rely on UL certified commercial cooking, ventilation, exhaust, heating and similar products to achieve compliance with mechanical code requirements.
Commercial cooking
Manufacturers of certified products and related information.
Household ranges, ovens, cooktops, broilers (Z.21.1, UL 858) Information Manufacturers
Outdoor barbecues and grills (ANSI Z.21.58/CSA 1.6) Information Manufacturers
Outdoor smokers (ANSI Z.21.89/CSA 1.18) Information Manufacturers
Commercial cooking appliances (ANSI Z.83.11/CSA 1.8) Information Manufacturers
Wood fired cooking appliances (UL 737, UL Subject 2162) Information Manufacturers
Grease ducts for restaurant cooking appliances (UL 1978) Information Manufacturers
Grease duct assemblies (UL 2221) Information Manufacturers
Kitchen exhaust hoods with exhaust dampers (UL 710) Information Manufacturers
Kitchen exhaust hoods without exhaust dampers (UL 710) Information Manufacturers
Commercial kitchen hood and duct accessories Information Manufacturers
Commercial recirculating hood systems Information Manufacturers
Commercial integral recirculating hood systems Information Manufacturers
Commercial cooking equipment application guide Learn more
Recirculating systems Learn more
Filters for commercial deep fat fryers Learn more
Food safety services Learn more
Ducts and plenums
Combustible products for use in plenums and air handling spaces
Communications cable (CMP and MPP) Information Manufacturers
Community antenna TV cable (CATVP) Information Manufacturers
Power limited fire alarm cable (FPLP) Information Manufacturers
Optical fiber cable (OFCP, OFNP) Information Manufacturers
Power limited circuit cable (CL2P, CL3P) Information Manufacturers Discrete electrical, mechanical, plumbing products (UL 2043) Information Manufacturers
Fire sprinkler piping, CPVC (UL 1821, UL 1887, UL 1821A) Information Manufacturers
Pneumatic tubing (UL 1820) Information Manufacturers
Air connectors (UL 181) Information Manufacturers
Air ducts - flexible, rigid Class 0 or Class 1 (UL 181) Information Manufacturers
Closure systems for air ducts and air connectors, (UL 181A, UL 181B) Information Manufacturers
Air dispersion systems Information Manufacturers
Air filter units (UL 900) Information Manufacturers
Fire and smoke dampers (UL 555, UL 555S) Information Manufacturers
Ceiling radiation dampers (UL 555C) Information Manufacturers
Products used in plenums and air handling spaces Learn more
Installation considerations for ceiling radiation dampers Learn more
Fireplaces and room heaters
Manufacturers of certified products and related information.
Factory built fireplaces (UL 127) Information Manufacturers
Outdoor-use fireplaces (UL 127) Information Manufacturers
Factory built fireplace accessories, including heat exchangers, combustion air vents, fire chamber panels and forms, and other accessories intended for installation in masonry fireplaces (UL 907, UL Subject 1783, UL Subject 2506, UL Subject 2505, and/or UL Subject 907A) Information Manufacturers
Floor protectors and wall shields (UL Subject 1618) Information Manufacturers
Solid fuel burning room heaters (UL 1482) Information Manufacturers
Accessories, decorative shrouds, termination caps (UL 127, UL 737, UL 1482) Information Manufacturers
Decorative appliances for installation in vented fireplaces (ANSI Z21.60/CGA 2.26) Information Manufacturers
Decorative appliances for installation in vented fireplaces, manually lighted (ANSI Z21.84) Information Manufacturers
Fireplace floor protectors and wall shields Learn more
Boiler assemblies and systems
Manufacturers of certified products and related information.
Electric (UL 834) Information Manufacturers
Field-erected (UL 2106) Information Manufacturers
Gas-fired (UL 795) Information Manufacturers
Gas-fired low-pressure steam & hot water (ANSI Z21.13) Information Manufacturers
Gas-oil-fired (UL 726 and UL 795) Information Manufacturers
Oil-fired (UL 726) Information Manufacturers
Reduced emission boilers (UL 2096) Information Manufacturers
Solid fuel-fired (UL 726, UL 391) Information Manufacturers
Unitary boiler room systems (UL Subject 2446) Information Manufacturers
Waste-heat recovery (UL 726) Information Manufacturers
Chimneys and vents
Manufacturers of certified products and related information.
Automatic dampers Products certified to UL 17 Information Manufacturers
Chimneys, 1400 degree Fahrenheit (UL2561) Information Manufacturers
Chimneys, residential type and building-heating appliance (UL 103) Information
Manufacturers
Chimneys, Medium-heat appliance (UL 959) Information Manufacturers
Chimney and vent connectors and accessories (UL 103, UL 441, UL 641, and UL 1777)
nformation Manufacturers
Chimney liners (UL 1777) Information Manufacturers
Type B and BW venting systems (UL 441) Information Manufacturers
Type L low-temperature venting systems (UL 641) Information Manufacturers
Special gas vents for Categories II, III, and IV (UL 1738) Information Manufacturers
Gas vent caps and accessories Information Manufacturers
Clothes dryers
Manufacturers of certified products and related information.
Clothes dryers, Type 1 (ANSI Z21.5.1/CSA 7.1) Information Manufacturers
Clothes dryers, Type 2 (ANSI Z21.5.2/CSA 7.2) Information Manufacturers
Clothes dryer transition ducts Information Manufacturers
Dryer exhaust duct power ventilators Information Manufacturers
