How a Plumbing Trap Can Lose Water | Ask This Old House
Ask This Old House plumbing and heating expert Richard Trethewey explains several reasons why a trap may be losing water. (See steps below.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Steps for How a Plumbing Trap Can Lose Water: 1. If a washing machine drains a toilet, it could be because the system is not vented…





