These requirements cover electric booster water heaters@ electric commercial storage tank water heaters@ and remote control assemblies for such heaters@ rated 600 volts or less@ to be employed in ordinary locations in accordance with the National Electrical Code@ NFPA 70@ and that meet at least one of the following conditions: a) Over 120 gallons (454 L) in capacity; b) Rated over 12 kilowatts; or c) Equipped with one or more temperature-regulating controls that permit a water temperature of more than 85??(185??. These heaters are intended for installation in accordance with model mechanical and plumbing codes. An electric water heater not exceeding 120 gallons (454 L) capacity@ rated no more than 12 kilowatts@ and equipped with a temperature-regulating thermostat having no marked dial setting more than 77??(171?? and provided with a stop to prevent adjustment to a higher setting@ shall be judged in accordance with the requirements in the Standard for Household Electric Storage Tank Water Heaters@ UL 174. These requirements do not cover electric boilers@ commercial cooking appliances@ medical and dental equipment@ or other electric heating equipment or appliances that are covered in or as part of individual requirements that are separate from this standard. Electrode type boilers are not covered by these requirements. In the following text@ a requirement that applies only to booster water heaters or to commercial storage-tank water heaters is so identified by a specific reference in that requirement to the equipment involved. Absence of such a specific reference or use of the term water heater indicates that the requirement applies to all of the equipment covered in this standard unless the context indicates otherwise.
UL 1453-2016 history
2018UL 1453 BULLETIN-2018 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters (COMMENTS DUE: APRIL 16@ 2018)
1970UL 1453-2018 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters
2016UL 1453 CRD-2016 UL Standard for Safty Electric Booster and Commercial Storage Tank Water Heaters - Section / Paragraph Reference: 60 – 64 Subject: Outdoor Use Equipment (Edition 6: March 29@ 2016)
2016UL 1453 BULLETIN-2016 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters (COMMENTS DUE: OCTOBER 24@ 2016)
2016UL 1453-2016 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters (Sixth Edition)
2015UL 1453 BULLETIN-2015 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters (COMMENTS DUE: SEPTEMBER 15@ 2015)
2011UL 1453 BULLETIN-2011 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters (COMMENTS DUE: JUNE 13@ 2011)
2008UL 1453 BULLETIN-2008 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters COMMENTS DUE: MAY 1, 2008
2004UL 1453 BULLETIN-2004 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters
2004UL 1453-2004 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters Fifth Edition; Reprint with Revisions Through and Including May 19, 2006
1995UL 1453-1995 UL Standard for Safety Electric Booster and Commercial Storage Tank Water Heaters (Fourth Edition; Reprint with Revisions Through and Including September 29@ 1998)
1988UL 1453-1988 Electric booster and commercial storage tank water heaters