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2025 Certification Bulletins

Certification Bulletin 2025-07 – ULC/ORD-C1474-03, Adjustable Drop Nipples for Sprinkler Systems Certified for Canada has been superseded by ANSI/CAN/UL/ULC-2443:2024

Certification Bulletin 2025-06 – ULC/ORD-C193-75, Guide for the Investigation of Alarm Valves for Fire-Protection Service has been superseded by ANSI/CAN/UL-193:2024

Certification Bulletin 2025-05 –  ULC/ORD-C668-75, Guide for the Investigation of Hose Valves for Fire-Protection Service has been superseded by ANSI/CAN/UL-668:2025

Certification Bulletin 2025-04 – ULC/ORD-C260-75, Guide for the Investigation of Dry Pipe, Deluge and Pre-Action Valves for Fire Protection Service has been superseded by ANSI/CAN/UL-260:2023

Certification Bulletin 2025-03 – ULC/ORD-C1285-03, Piping and Couplings, Polyvinyl Chloride (PVC) for Underground Fire Service has been superseded by ANSI/CAN/UL/ULC-1285:2022

Certification Bulletin 2025-02 – ULC/ORD-C1091-74, Preliminary Standard for Butterfly Valves for Fire Protection Service has been superseded by ANSI/CAN/UL/ULC-1091:2022

Certification Bulletin 2025-01 – ULC/ORD-C312-07, Check Valves for Fire Protection Service has been superseded by ANSI/CAN/UL/ULC-312:2022