Safety Bulletin 11: HI-FOG 1900 Sprinklers installed in A1000 assembly bodies
Alerts industry to specific issues. Normally time sensitive and action may be required.
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HI-FOG 1900 Sprinkler Heads may not be compatible with some of the A1000 Assembly Bodies. The internal stop valve of A1000 Assembly Bodies of the types listed in the attached document may be pushed beyond its intended range when a HI-FOG 1900 sprinkler is installed.