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  • Public Notice

UL Warns of Counterfeit Fire Sprinkler (Release 14PN-18)

December 31, 2014

NORTHBROOK, IL- Dec. 31, 2014 – The following is a notification from UL that the fire sprinkler identified below bears a counterfeit UL Certification Mark for the United States and Canada. The fire sprinkler has not been evaluated by UL to the appropriate Standards for Safety and it is unknown if the fire sprinkler complies with any safety requirements.

Although the fire sprinkler’s wrench boss is marked “TYCO” the fire sprinkler was not manufactured by Tyco, its affiliates or agents.

Name of Product:     Pendent Type Fire Sprinkler

Identification: On the product: The counterfeit sprinkler has the UL Mark on the wrench boss. The UL Certified Tyco  sprinkler is provided with the UL Mark on the deflector, other differences are noted below:

Counterfeit Fire Sprinkler Markings UL Certified  Fire Sprinkler Markings
"TYCO" and “UL” marked on the sides of the wrench flat, no date code “TYCO” marked on one wrench flat, date code on the other wrench flat
cULus in a circle marked on the side of the frame. “68C” and  “SSP” on the deflector without TY number cULus in a circle, “155°F/68°C”,”SP” and “ TY3251” marked on the deflector
Deflector material zinc plated steel  (magnetic) Deflector material brass with chrome or painted white (non-magnetic)
5mm glass bulb no markings 5 mm Geissler glass bulb – “G” between two triangles on one side and lot number on the other side


Photographs of the pendant type fire sprinkler with counterfeit UL Marks:

 counterfeit UL mark counterfeit UL mark

counterfeit UL mark

counterfeit UL mark


Photographs of the UL Certified Tyco TY3251 fire sprinkler:

counterfeit UL mark counterfeit UL mark counterfeit UL mark


counterfeit UL mark


Location: The sprinklers have been found in India.  UL has not received reports of these counterfeit sprinklers in other locations.