It has been brought to the attention of the Maritime & Coastguard Agency that HI-FOG 1900 Sprinkler Heads may not be compatible with some of the A1000 Assembly Bodies.
The internal stop valve of A1000 Assembly Bodies may be pushed beyond its intended range when a HI-FOG 1900 sprinkler is installed.
Please read the below document for further information:
SAFETY BULLETIN 11 - HI-FOG 1900 Sprinklers installed in A1000 assembly bodies