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  • Public Notice

UL and ULC Warn of Counterfeit UL and ULC Marks on a Fire Valve (Release 15PN-02)

February 16, 2015

NORTHBROOK, Ill., Feb. 16, 2015 – The following is a notification from UL LLC (UL) and Underwriters Laboratories of Canada Inc. (ULC) that the fire valve identified below bears counterfeit certification marks for the United States and Canada. The valve has not been evaluated by UL or ULC to the appropriate Standards for Safety and it is unknown if the fire valve complies with any safety requirements.

The counterfeit fire valve is similar to a fire valve A156 manufactured by Giacomini SPA that is authorized to bear the UL and ULC Marks. The counterfeit fire valve A156 was not manufactured or labeled by Giacomini SPA, affiliates or agents. See below for identification.

Name of Product: Model designation “A156” 1 ½-inch pressure reducing device

Manufacturer: Unknown

Identification: On the Product: The product bears counterfeit UL and ULC certification marks illustrated below. Other differences between the certified and counterfeit product are noted in the table:

counterfeit UL mark   counterfeit UL mark






Counterfeit Valve Markings Certified Valve Markings
“GRIVEN” cast into the valve body Giacomini Trade mark cast into the valve body


Photographs of counterfeit valve on the left and certified valve on the right:

            Counterfeit Valve                                        Certified Valve

counterfeit UL mark  genuine UL mark


         Counterfeit Valve                                        Certified Valve

counterfeit UL mark   counterfeit UL mark


Known to be distributed: Known to be distributed in Medellin, Colombia. May have been distributed in other areas.

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