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  • Users: FIES
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  1. FIES

    Sprinkler O-Ring

    FFP1 &/or colfire, Can you tell us what the problems with the JN sprinkler were? We are somewhat at a loss to identify a cause of failure.
  2. FIES

    Sprinkler O-Ring

    I am having the same problem with JN 1998 sprinklers from Globe. The information that I have gained is that these dry sprinklers had water in them and froze causing the o-ring to didplace. However I find it difficult to believe that the reduddancy in draining after a trip test by the tester...

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