Kitchen Drain Line Repair in Tulsa

The kitchen drain line in Tulsa was failing and needed a complete repair of its pipes and fittings.

Our crew inspected the kitchen sink plumbing and found that the drain line sections, fittings, and vent required full replacement.

Our crew replaced the damaged kitchen drain line using new 2-inch pipe, a wye, 45-degree fittings, a sanitary tee, couplings, a P-trap, baffle tee, tailpiece and slip-joint extensions with a dishwasher outlet, and a replacement air admittance valve.

The trouble extended below the kitchen into the crawlspace, where a rotted cast iron combination fitting leaked whenever the kitchen sink or washer drained. The washer standpipe also connected to that line, so our work involved those shared drain connections. We drilled through the cabinet floor and ran new 2-inch PVC down into the crawlspace, connecting it to the existing PVC and cast iron. While underneath the house, we also found existing PVC sagging into a belly and used pipe strap to help level that section.

Our work under the kitchen sink also revealed a separate water-supply issue: a leak on the hot side. We cut the hot and cold copper lines and installed kitchen sink shutoff valves. We also capped the old vent and drain outlet as part of the drain work. During testing, we found leaks at the sprayer hose and the neck of the faucet, so we recommended replacing the faucet. We could not turn on the dishwasher, so we could not test it during this visit.

• Check under the sink for drips or dampness while water is running, including around supply connections and the sprayer hose.
• If a sink or washer draining causes water to appear in the crawlspace, have the shared drain connections inspected.
• Have sagging drain pipes evaluated; low spots can hold water and debris instead of letting them drain away.

Replacing worn kitchen drain pipes and fittings restores proper flow and prevents sink backups.

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