How to Choose Water Supply Piping - This Old House

This Old House plumbing and heating expert Richard Trethewey takes a look at the wide variety of water-supply pipes. Click here to SUBSCRIBE to the official This Old House YouTube channel: http://www.youtube.com/subscription_center?add_user=thisoldhouse Full episode: https://www.seevid.ir/fa/w/m2FAiUfCpCo

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