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Johnwi3
Water hammer arrestors

What is the code requirement for water hammer arrestors? How many and where should they be installed? THanks.

i.m.plummin
Re: Water hammer arrestors

If they are required the they are usually required at every hot and every cold at every fixture. Some times it is only at the fixtures where it occurs. What is the code book for your area? The local authority my have ammendments concearnig them as well.:)

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