Neil G. McDonald Ltd.
3800 Steeles Ave West, Suite 201E,
Woodbridge, Ontario L4L 4G9
Woodbridge, Ontario L4L 4G9
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Hours
Mon-Fri 9-4:30 EST
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A valve in automatic sprinkler systems, which automatically operates an alarm; sometimes a loud gong, and sometimes a signal directly to the fire department. This is an alarm valve. It operates if and when a sprinkler head has opened.
