Water Hammer Home › Forums › Archives › Old Bulletin Board Archives › Water Hammer This topic has 0 replies, 1 voice, and was last updated 21 years, 9 months ago by Sally. Viewing 0 reply threads Author Posts 27 May 1999 at 4:26 am #282335 Sally I just bought a house. The plumbing is about 30 years old. The hot water in the master bath sink has a water hammer. What causes this? Can it be fixed easily? Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.