Water Hammer Arrestor Whole House and How the Arrestor Works in Dealing with Water Hammer

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Water Hammer Arrestor Whole House and How the Arrestor Works in Dealing with Water Hammer

Water hammer arrestor whole house is important to avoid any inconvenient banging sound as all we know as water hammer. It usually occurs just right after a faucet is turned off. If it continues to happen, one of bad things that may happen is water leaking. With such inexpensive arrestors, you can stop water hammer and avoid making fussy plumbing system. Wonder what may cause the water hammer and how the arrestor does its job? Let’s talk about a little physics today.


What cause water hammer?
When you turn on a faucet, the pipes-through flowing water will develop its momentum. The problem occurs when someone is closing the faucet or valve quickly. When that happens, the momentum will pound against the pipes, making the water backflow, and resulting in clangs which is caused by that sudden water flow ‘attack’ to the pipes.


What can possibly be the effect of water hammer?
As previously stated, water hammer may harm pipe sides, valves, and gauges. Besides in water, this effect also contributes to leaking in oil or gas application. The pressure it causes after the abrupt valve closing can bring great pressure to the plumbing parts, which usually have their own maximum pressure the parts can take.


What can be the solution?
Before water hammer arrestor whole house is invented, plumbers will install a pressure system that owns air chamber only to cushion the impact of this shock wave. However, as the science continues to develop, the nowadays water hammer arrestor is commonly found in many houses around the world. The difference from the earlier water hammer arrestor is the existence of sliding piston. This piston will function in absorbing the sudden pressure occurred.


Installing the water hammer arrestor
Prior to installing the arrestor, make sure to determine which valves/faucets causing this noise. Commonly the noise comes from washing machines as well as the dishwashers. You will also have to cut a bit of the pipes and add tees to place the water hammer arrestor.

Then, these are the tools you will need while installing the water hammer arrestor:

  • Pliers
  • Pipe wrench
  • Adjustable wrench
  • Soldering, cutting, and joining pipe tools


Things you should remember when installing the water hammer arrestor

  • Don’t apply any pipe fittings which are not made from the same material as the pipe. As an example, if below the sink there’s a copper piping, don’t use PVC tee fitting. This may result in bad bonding between the materials.
  • Don’t assume that the arrestor is defective if after installed, that ‘water hammer’ sound still exists. This can be caused by the already loosened pipes. If this is the case, calling a professional to fix isn’t a bad idea.

It is always fascinating if you manage to fix the water hammer yourself. Calling the professional to install the water hammer arrestor whole house is always a nice idea if you find difficulties.

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