How to Diagnose Plumbing Drain Problems | Ask This Old House

Ask This Old House plumbing and heating expert Richard Trethewey tracks down the source of a clogged drain using some high tech equipment.
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Time: 1-2 hours
Cost: $10,000 in tools
Skill Level: Advanced
Tools List:
- Gloves []
- Drain Camera []
- Drain Locator Tool []
Steps:
1. Use a drain camera to look for possible obstructions in the main drain line of the house. Ensure the distance meter is reset before entering the drain to give an accurate measurement of where in the pipe a clog may be located.
2. Use a line locator to confirm the location of the camera under the floor.
About Ask This Old House TV:
Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.
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How to Diagnose Plumbing Drain Problems | Ask This Old House
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