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i have a boiler that when you run the HW will light and then immediately the flame will go out, then light again, and go out immediately, it does this about five or six times and then runs continuously. what's wrong with it? is it the flame detector?

Can anyone please explain the advantages and disadvantages of the different protocols for the fire alarm systems. What is and "Open" or a "closed" Protocol?

I am installing a sounder (98db@1m) outside a room 0.6m from the door to the room. I need to calculate the db at the bedhead in the room, 4 to 5 meters from the door. Can anyone please help?

Found an article of clothing stuck inside the washing machine. On inspection found a dented and cracked inner drum where the cloth was stuck. It appears as if something became wedged between the two drums while the drums were in motion and has managed to dent the inner drum(& may be the outer...

Could you professionals in the field please advise which is the best panel which will accept wireless PIR detectors. Best in terms of reliability, immunity to false alarms, ease of setting/unsetting i.e. key fobs/remote set/unset etc and life of detector batteries. Any help and guidance...

Can anyone help me with a copy of the manual, or point me to a web site where I can download it from. Many thanks.