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ANSI/CAN/UL
ANSI/CAN/UL/ULC
CAN/UL
ALL UL STDS for CANADA
1.1 This standard covers flexible sprinkler hose with fittings intended for direct connection to fire sprinklers in installations requiring a flexible attachment to the sprinkler system piping such as clean rooms, suspended ceilings, and exhaust ducts.
1.2 The products covered by this standard are intended for use in sprinkler systems installed in accordance with the Standard for Installation of Sprinkler Systems, NFPA 13; Standard for the Installation of Sprinkler Systems in Residential Occupancies Up to Four Stories in Height, NFPA 13R; and Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Mobile Homes, NFPA 13D.
This revision of ANSI/UL 2443 dated August 13, 2021 includes updates to the inside diameter for 0.5" female threaded outlet fittings; 6.3
RevisionsRed Line Std. (8)
CSDS Proposals (6)
CSDS Proposals
An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:
UL LLC CRD (0)
Other Updates (0)
Referenced Standards (4)
Reverse Referenced Standards (3)
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