Water Hammer Arresters

(1)  Factory built water hammer arresters shall conform to ANSI/ASSE 1010, “Water Hammer Arresters”.

Article Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only

Note: When water flow in a pipe system abruptly ceases due to fast-closing shutoff valves, dishwashers, and laundry washers, water hammer arrestors are employed to lessen the shock. This prevents the irksome and potentially harmful effects of water hammer.