This month’s reader questions focus on sprinkler alarms ... and not simply fed through a water flow switch as allowed by NFPA 13 when there is no fire alarm system provided.

The main drain of an automatic sprinkler system is actually the water flow control valve. It's important to test the functioning of this value at least once per year to ensure proper water flow ...

Sold as a pre-mixed solution, a properly tested and listed antifreeze helps protect against freeze damage failure and ensures flow in wet fire sprinkler systems. Choosing the Right Antifreeze The most ...