Ask TOH | Water Hammer Arrestor, Exterior Door

  • Original Air Date: February 05, 2009
  • Season 7: Ep. 19
  • 23:46

Plumbing and heating expert Richard Trethewey helps a homeowner quiet his banging pipes by installing a water-hammer shock suppressor. Then Richard, along with host Kevin O'Connor, general contractor Tom Silva and landscaping contractor Roger Cook ask, "What is it?" Tom and Kevin show how to install a pre-hung fiberglass exterior door.

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