Uploaded March 2026 | Updated September 2026, 1 week ago

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In this video, Shawn Mahoney, P.E., Senior Technical Services Engineer at NFPA introduces preaction fire sprinkler systems, discusses where they are used, shows the components of a riser, and explain show they operate.

Important Notice:
Any opinion expressed in this video is the opinion of the author and does not necessarily represent the official position of NFPA or its Technical Committees. In addition, this piece is neither intended nor should it be relied upon to provide professional consultation or services.