Exactly where to place the hammer arrestor will depend on the actual piping arrangement. The best places are either close to the pump, isolation or check valve that is originating the hammer, or at more distant points where the pipe changes direction, for example at the top of a pump riser.
Can a water hammer arrestor be installed anywhere?
“Water hammer arresters shall be specifically sized and have sufficient volume of air to dissipate the calculated kinetic energy generated by closing residential or commercial faucets or valves. Arresters shall be installed on both hot and cold lines on the supply stops where applicable.
How should a water hammer arrestor be installed?
Instructions
- Identify the Cause. Observe carefully to determine what appliance or fixture seems to be causing the banging in your pipes. …
- Determine an Action Plan. …
- Turn Off the Water and Disconnect the Hoses. …
- Connect the Water Hammer Arresters. …
- Connect the Washer Hoses. …
- Turn on the Water.
Will a shock arrestor stop water hammer?
Fear not there is a cost effective way to prevent water hammer and that is using a shock arrestor. This is a chamber that is attached to the system using a T-Piece and gives the water some extra room to flow back into preventing water hammer from damaging the boiler or causing any leaks.
Where should a shock arrestor be installed?
The best places are either close to the pump, isolation or check valve that is originating the hammer, or at more distant points where the pipe changes direction, for example at the top of a pump riser.
Can a water hammer arrestor be installed sideways?
Water hammer arrestors can be installed vertically, horizontally, or at any angle in between. The most important thing when installing an arrestor is to place it as close to the valve as possible.
Can a hammer arrestor be installed upside down?
Yes, they have a piston that is sealed, so they can mount them upside down.
Why do I suddenly have water hammer?
Water hammer is usually caused in high pressure (e.g. mains pressure) water systems either when a tap is turned off quickly, or by fast-acting solenoid valves, which suddenly stop the water moving through the pipes and sets up a shock wave through the water, causing the pipes to vibrate and ‘shudder’.
