Yes. Whatever the size of the residential piping system, it is wise to use hammer arrestors. If the pipes are dealing with excessive water pressure, they might show signs of water hammering. For instance, the pipes might make unusual noises or shows signs of excessive shock, and this shock might cause leaks in your piping system. Hence, installing water hammer arrestors is a must. It will prevent noise and shock. Apart from that, you'll be able to use your piping system without any issues for a long time. Install hammer arrestors in all fast-closing valves in your household.