Simple Guide to Irrigation Repairs | Ask This Old House

From This Old House.

In this video, This Old House plumbing and heating expert Richard Trethewey teaches host Kevin O’Connor everything he needs to know to make simple irrigation repairs on his own.

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Kevin O’Connor meets plumbing and heating expert Richard Trethewey back at the shop to discuss irrigation repairs. Kevin admits to having three irrigation punctures of his own, so Richard shows him the difference between standard plumbing connections and irrigation fittings. Then, Richard demonstrates how to make repairs using basic irrigation parts and tools.

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How To Repair the Tubing
After matching up the damaged tubing with fittings and a piece of replacement tubing, repairing the pipe is simple.

1. Start by making fresh, square cuts on the existing tubing and slipping the ring clamps over the tubing.
2. Working on one side at a time, use the heat gun to warm the tubing and, once warm, push the barbed fitting into the tubing.
3. Stretch the repair pipe between the fittings to measure it and then cut the tubing to length.
4. Place a clamp over the tubing and warm the end with a heat gun and, once warm, push it onto one of the barbed fittings on the existing tubing.
5. Repeat on the other side before using the hose clamp pliers to tighten all the clamps.

Where to find it?
Richard explains connectors for irrigation repairs, how to choose the correct size, and how to install it.

Barbed Fittings [] – Available for tubing sizes from ¼-inch up to 1-inch. The sharp barbs of the connection hold the fitting in place. Stainless steel locking clamps can be used to make the connections even tighter.

Compression Fittings [] – These are low-cost fittings very popular because of their full-flow characteristics and they are easy to install.

Threaded Fitting [] – Often used to connect components like threaded risers so they don’t leak.

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Ring clamps []
Barbed fittings []
Replacement tubing []

Tubing cutter []
Heat gun []
Hose clamp pliers []

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From the makers of This Old House, America’s first and most trusted home improvement show, Ask This Old House answers the steady stream of home improvement questions asked by viewers across the United States. Covering topics from landscaping to electrical to HVAC and plumbing to painting and more. Ask This Old House features the experts from This Old House, including general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Jenn Nawada, master carpenter Norm Abram, and host Kevin O’Connor. ASK This Old House helps you protect and preserve your greatest investment—your home.

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Simple Guide to Irrigation Repairs | Ask This Old House