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  1. Mjrtom7

    NFPA 20 7-5.2.1 Water Pressure Control

    According to NFPA 20 7-5.2.1 (a), each controller needs to have its own individual pressure sensing line. The company I'm working for now has a system where the lines for the jockey and fire pump are tied in together, and they need to be separated. The system was installed in 2006. I'm hoping...

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