We have had calls about smells, mysterious vibrations, bleeding shower heads, strange noises that turned out to be plumbing-related, and more. Some of the calls we have received are downright weird, so don’t worry – we have heard it all. And we usually discover that a perceived poltergeist phenomenon turns out to be a water supply issue.Cold or Scorching Shower?No one wants a cold shower, or a scorching-hot one! Lack of cold water is usually caused by a defective pressure-balancing valve in…