Push-to-Connect Tube Caps

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Copper Tube Size

174 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Brass Push-to-Connect Fittings for Copper Tubing

Choose these metal fittings when you need better durability than our plastic push-to-connect fittings.

Tube Fittings for Plastic and Rubber Tubing

Push-to-Connect Tube Fittings for Air

Nickel-Plated Brass Push-to-Connect
Tube Fittings for Air

Made of nickel-plated brass, these fittings have better corrosion resistance than unplated brass fittings.

Stainless Steel Push-to-Connect
Tube Fittings for Air and Water

A 316 stainless steel body gives these fittings the best corrosion resistance of all our metal push-to-connect tube fittings.

Moisture-Resistant Push-to-Connect
Tube Fittings for Air and Water

These fittings won’t absorb moisture, so they’re good for water and high-humidity air applications.

Low-Temperature D.O.T.
Push-to-Connect Tube Fittings for Air

Connect air brake lines with fittings that won’t crack in sub-zero temperatures. They meet Department of Transportation FMVSS 571 safety standards, so they’re often used in commercial trucks and trailers.

Weld-Spatter-Resistant Push-to-Connect
Tube Fittings for Air and Water

Designed for use in welding applications, these fittings are flame retardant.

Push-to-Connect Tube
Fittings for Hot Drinking Water

Fittings can withstand temperatures up to 200° F.

Push-to-Connect Tube Fittings for Drinking Water

These fittings keep their strength in moist environments and meet NSF/ANSI 61 for drinking water. Also known as instant fittings.

Plastic Push-to-Connect Tube Fittings for Chemicals

Also known as instant fittings, these chemical-resistant plastic fittings connect to tubing with a push. An internal gripping ring holds the tubing tight.

Push-to-Connect Fittings for Food and Beverage

Also known as instant fittings, these connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. Use in applications up to 150 psi.

Push-to-Connect Fittings for
Plastic Tubing—High-Purity

Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. Use in applications up to 140 psi.

Standard-Wall Plastic Pipe Fittings for Water

Connect these fittings to Schedule 40 plastic pipe—they are the industry standard for residential and commercial low-pressure plumbing and water supply applications. They are plastic for good corrosion resistance.

How to Identify and Measure Fittings

Brass Push-to-Connect Fittings for Copper Tubing

Brass Push-to-Connect Fittings for Copper Tubing

Tube Fittings for Plastic and Rubber Tubing

Push-to-Connect Tube Fittings for Air

Nickel-Plated Brass Push-to-ConnectTube Fittings for Air

Stainless Steel Push-to-ConnectTube Fittings for Air and Water

Moisture-Resistant Push-to-ConnectTube Fittings for Air and Water

Low-Temperature D.O.T.Push-to-Connect Tube Fittings for Air

Weld-Spatter-Resistant Push-to-ConnectTube Fittings for Air and Water

Push-to-Connect TubeFittings for Hot Drinking Water

Push-to-Connect Tube Fittings for Drinking Water

Plastic Push-to-Connect Tube Fittings for Chemicals

Push-to-Connect Fittings for Food and Beverage

Push-to-Connect Fittings forPlastic Tubing—High-Purity

Standard-Wall Plastic Pipe Fittings for Water

Standard-Wall Plastic Pipe Fittings for Water

Nickel-Plated Brass Push-to-Connect
Tube Fittings for Air

Stainless Steel Push-to-Connect
Tube Fittings for Air and Water

Moisture-Resistant Push-to-Connect
Tube Fittings for Air and Water

Low-Temperature D.O.T.
Push-to-Connect Tube Fittings for Air

Weld-Spatter-Resistant Push-to-Connect
Tube Fittings for Air and Water

Push-to-Connect Tube
Fittings for Hot Drinking Water

Push-to-Connect Fittings for
Plastic Tubing—High-Purity