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Copper Pipes & Fittings

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SKU 663729

Copper Fitting Tee 1 in. x 1 in. x 1/2 in. Lead Free PSI-494

Original price $23.48 - Original price $23.48
Original price
$23.48
$23.48 - $23.48
Current price $23.48
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About This Product Utilize the Copper Fitting Tee 1 in. x 1 in. x 1/2 in. Lead Free PSI-494 with Cup x Cup x Cup connections on a primary water-sup...

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SKU 717155

Copper Coupling 1 in. Lead Free PSI-300

Original price $23.48 - Original price $23.48
Original price
$23.48
$23.48 - $23.48
Current price $23.48
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About This Product Securely join copper tubes using the Copper Coupling 1 in. Lead Free PSI-300. This fitting is crafted for compatibility with AST...

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SKU 718347

Copper Fitting Adapter 1 in. x 3/4 in. Lead Free PSI-494

Original price $8.24 - Original price $8.24
Original price
$8.24
$8.24 - $8.24
Current price $8.24
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About This Product The Copper Fitting Adapter 1 in. x 3/4 in. Lead Free PSI-494 is utilized in both residential and commercial applications, includ...

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SKU 330923

Copper Adapter 3/4 in. x 1/2 in. Lead Free PSI-582 Male

Original price $11.78 - Original price $11.78
Original price
$11.78
$11.78 - $11.78
Current price $11.78
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About This Product The Copper Adapter 3/4 in. x 1/2 in. Lead Free PSI-582 Male is utilized in both residential and commercial applications, includi...

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SKU 222406

Copper Coupling 1/2 in. x 1/2 in. Lead Free PSI-300

Original price $11.49 - Original price $11.49
Original price
$11.49
$11.49 - $11.49
Current price $11.49
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About This Product Utilize the Copper Coupling 1/2 in. x 1/2 in. Lead Free PSI-300 to create reliable extensions and repairs for ASTM B88 and B75 c...

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SKU 158330

Copper Adapter 3/4 in. x 1/2 in. Lead Free PSI-582 Female

Original price $14.14 - Original price $14.14
Original price
$14.14
$14.14 - $14.14
Current price $14.14
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About This Product The Copper Adapter 3/4 in. x 1/2 in. Lead Free PSI-582 Female is designed for use in both residential and commercial systems, in...

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SKU 564104

Copper Cap 1/2 in. Lead Free PSI-300 (10-Pack)

Original price $84.29 - Original price $84.29
Original price
$84.29
$84.29 - $84.29
Current price $84.29
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About This Product Securely seal copper tubes using the Copper Cap 1/2 in. Lead Free PSI-300 (10-Pack). These caps are specifically designed for AS...

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SKU 871812

Copper Adapter 1/2 in. x 1/2 in. Lead Free PSI-700 (10-Pack) Male

Original price $23.54 - Original price $23.54
Original price
$23.54
$23.54 - $23.54
Current price $23.54
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About This Product The Copper Adapter 1/2 in. x 1/2 in. Lead Free PSI-700 (10-Pack) Male is designed for use in both residential and commercial app...

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SKU 242068

Copper Union 1/2 in. x 1/2 in. Lead Free PSI-400 Female

Original price $11.75 - Original price $11.75
Original price
$11.75
$11.75 - $11.75
Current price $11.75
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About This Product The Copper Union 1/2 in. x 1/2 in. Lead Free PSI-400 Female is constructed from CPVC, making it perfect for both hot and cold wa...

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SKU 733037

Copper Fitting Coupling 1/4 in. x 1/4 in. Lead Free PSI-912

Original price $1.53 - Original price $1.53
Original price
$1.53
$1.53 - $1.53
Current price $1.53
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About This Product The Copper Fitting Coupling 1/4 in. x 1/4 in. Lead Free PSI-912 is utilized in both residential and commercial applications such...

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SKU 387466

Copper Fitting Tee 1-1/4 in. x 1-1/4 in. x 3/4 in. Lead Free PSI-700

Original price $33.99 - Original price $33.99
Original price
$33.99
$33.99 - $33.99
Current price $33.99
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About This Product The Copper Fitting Tee 1-1/4 in. x 1-1/4 in. x 3/4 in. Lead Free PSI-700 is utilized in both residential and commercial systems,...

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SKU 017885

Copper Adapter 1/2 in. x 3/4 in. Lead Free PSI-722 Male

Original price $10.60 - Original price $10.60
Original price
$10.60
$10.60 - $10.60
Current price $10.60
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About This Product Created for both residential and commercial uses such as drinking water, air conditioning, and refrigeration, the Copper Adapter...

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SKU 989208

Copper Fitting Adapter 1/2 in. x 3/8 in. Lead Free PSI-722

Original price $3.49 - Original price $3.49
Original price
$3.49
$3.49 - $3.49
Current price $3.49
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About This Product The Copper Fitting Adapter 1/2 in. x 3/8 in. Lead Free PSI-722 is designed for use in both residential and commercial applicatio...

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SKU 387399

Copper Fitting Coupling 1-1/4 in. x 1-1/4 in. Lead Free PSI-439

Original price $10.08 - Original price $10.08
Original price
$10.08
$10.08 - $10.08
Current price $10.08
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About This Product The Copper Fitting Coupling 1-1/4 in. x 1-1/4 in. Lead Free PSI-439 is designed for use in both residential and commercial appli...

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SKU 949539

Copper Adapter 3/4 in. x 3/4 in. Lead Free PSI-582 Female

Original price $15.32 - Original price $15.32
Original price
$15.32
$15.32 - $15.32
Current price $15.32
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About This Product Utilize the Copper Adapter 3/4 in. x 3/4 in. Lead Free PSI-582 Female to convert solder connections to threaded connections in b...

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SKU 794686

Copper Union 1/2 in. x 1/2 in. Lead Free PSI-400 Male

Original price $7.93 - Original price $7.93
Original price
$7.93
$7.93 - $7.93
Current price $7.93
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About This Product The Copper Union 1/2 in. x 1/2 in. Lead Free PSI-400 Male is constructed from CPVC and is perfectly suited for both hot and cold...

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SKU 927741

Copper Fitting Elbow 1/2 in. x 1/2 in. Lead Free PSI-408

Original price $34.68 - Original price $34.68
Original price
$34.68
$34.68 - $34.68
Current price $34.68
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About This Product The Copper Fitting Elbow 1/2 in. x 1/2 in. Lead Free PSI-408 is utilized in both residential and commercial applications, includ...

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SKU 900482

Copper Cap 3/4 in. Lead Free PSI-300

Original price $16.93 - Original price $16.93
Original price
$16.93
$16.93 - $16.93
Current price $16.93
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About This Product Securely seal copper pipes with the Copper Cap 3/4 in. Lead Free PSI-300. Specifically made for ASTM B88 and B75 copper tubing, ...

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SKU 232451

Copper Tee 3/4 in. x 1/2 in. x 1/2 in. Lead Free PSI-300

Original price $22.03 - Original price $22.03
Original price
$22.03
$22.03 - $22.03
Current price $22.03
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About This Product Efficiently connect copper tubes using the Copper Tee 3/4 in. x 1/2 in. x 1/2 in. Lead Free PSI-300. This product is specificall...

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SKU 899247

Copper Pipe 1/2 in. x 5 ft. Type M Red PSI-420

Original price $19.52 - Original price $19.52
Original price
$19.52
$19.52 - $19.52
Current price $19.52
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About This Product Designed for strength and longevity, the Copper Pipe 1/2 in. x 5 ft. Type M Red PSI-420 is ideal for home applications. It is su...

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SKU 428216

Copper Fitting Union 1/2 in. x 1/2 in. Lead Free PSI-722

Original price $20.39 - Original price $20.39
Original price
$20.39
$20.39 - $20.39
Current price $20.39
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About This Product Utilize the Copper Fitting Union 1/2 in. x 1/2 in. Lead Free PSI-722 in both residential and commercial settings, including appl...

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SKU 647315

Copper Adapter 1 in. x 1 in. Lead Free PSI-494 Female

Original price $20.57 - Original price $20.57
Original price
$20.57
$20.57 - $20.57
Current price $20.57
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About This Product The Copper Adapter 1 in. x 1 in. Lead Free PSI-494 Female is designed for use in both residential and commercial applications, i...

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SKU 856085

Copper Fitting Union 3/4 in. x 3/4 in. Lead Free PSI-582

Original price $20.39 - Original price $20.39
Original price
$20.39
$20.39 - $20.39
Current price $20.39
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About This Product Utilize the Copper Fitting Union 3/4 in. x 3/4 in. Lead Free PSI-582 in both residential and commercial settings, including pota...

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SKU 496487

Copper Fitting Adapter 1-1/4 in. x 1-1/4 in. Lead Free PSI-5

Original price $29.12 - Original price $29.12
Original price
$29.12
$29.12 - $29.12
Current price $29.12
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About This Product The Copper Fitting Adapter 1-1/4 in. x 1-1/4 in. Lead Free PSI-5 is employed in both residential and commercial drain, waste, an...

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Copper Pipes & Fittings: What You Need to Know

Copper pipes and fittings, also known as copper connectors, copper plumbing joints, or copper tube fittings, are used to carry water, refrigerant, and gas in both residential and commercial systems. Available sizes range from ¼ in. to 1-¼ in., including multi-size combinations for transitions and splits. These fittings also come in 2 ft, 5 ft, and 10 ft lengths, with bend angles of 45° and 90° for directional flexibility during installation.

Type:

  • Adapter: Connects pipes of different sizes or ends to allow compatibility across systems. Used during layout changes or to convert fitting types.
  • Cap: Seals the end of a copper line to stop flow or prepare for future expansion. Common in closed-loop or temporary installations.
  • Connector: Links two pipes together directly for uninterrupted flow. Ideal for short-distance or same-size connections.
  • Coupling: Joins two straight sections of pipe in one continuous run. Often used in repairs or line extensions.
  • Elbow: Redirects flow at specific angles, usually 45° or 90°. Used in corners or tight spaces within walls or floors.
  • Pipe: Standard copper tubing used for transporting fluids and gases. Acts as the main line in most copper installations.
  • Refrigerant: Designed for HVAC systems to handle coolant flow. Built to withstand temperature swings and high pressures.
  • Stub Out: Provides an extension beyond the wall or surface for fixture attachment. Commonly found under sinks or behind toilets.
  • Tee: Creates a T-shaped junction for splitting or combining flow. Supports branch lines in complex plumbing networks.
  • Union: Allows easy disconnection and reconnection of pipes. Useful in maintenance or replacement zones.

Purpose:

  • Barb: Connects flexible tubing using ridged ends for a secure fit. Best for low-pressure water or irrigation lines.
  • Compression: Seals two pipe ends by tightening a compression nut. Requires no soldering and suits quick repairs.
  • Female: Accepts a male pipe end using internal threading or press fit. Common in fixture hookups or inline transitions.
  • Male: Inserts into a female fitting using external threading or press fit. Used to initiate connection from the supply line.
  • Press: Forms permanent seals using pressure tools rather than heat. Efficient in high-speed, professional installations.
  • Solder: Creates a permanent bond by melting solder between pipe and fitting. Traditional and reliable for long-term sealing.
  • Threaded: Connects with twist-on threading for removable joints. Useful in systems that may require future disassembly.

Pressure:

  • Low Pressure: Copper fittings rated from 1 to 150 PSI support basic water systems and light-duty residential use. These are commonly used in domestic hot and cold water lines.
  • Mid Pressure: Pressure ratings from 151 to 500 PSI cover standard applications such as HVAC, gas lines, and potable water systems. These fittings are suitable for most household and commercial needs.
  • High Pressure: Ranges from 501 to 10000 PSI are built for industrial setups, refrigeration systems, and heavy-duty HVAC lines. These fittings handle extreme pressure and temperature with reliability.

Application:

  • Cold Water: Blue copper pipes are designed for cold water lines and supply systems. They are used in standard residential and commercial plumbing where cold water distribution is required.
  • Hot Water: Red copper pipes are rated for hot water applications and high temperatures. These are commonly installed in water heaters, radiant heating systems, and hot supply lines.

At Supply Ontime, we offer reliable materials designed to meet your project’s needs. With same-day delivery across the Greater Los Angeles area, we make it easy to keep your projects on schedule. Order Copper Pipes & Fittings now and get them delivered today!

Copper Pipes & Fittings FAQ

What are the main types of copper pipes used in Los Angeles plumbing?

The main types of copper pipes used in Los Angeles plumbing are Type M, Type L, and Type K. Type M is the thinnest and most economical, often chosen for residential applications. Type L is thicker and commonly used for interior water lines, while Type K is the thickest and most durable, making it the preferred choice for underground or heavy-duty commercial systems. Plumbers in Los Angeles select between them based on project needs, pressure ratings, and local code requirements.

Why are copper fittings important in plumbing systems?

Copper fittings are important in plumbing systems because they allow pipes to connect, change direction, and distribute water effectively. Tees, couplings, elbows, and adapters provide flexibility in design while maintaining strength and durability. Resistant to corrosion and able to withstand high water pressure, copper fittings remain one of the most reliable choices, especially when upgrading older Los Angeles homes.

What delivery options are available for copper pipes and fittings in Los Angeles?

Delivery options for copper pipes and fittings in Los Angeles include same-day drop-offs or scheduled two-hour delivery windows through Supply Ontime. Larger orders can be palletized for direct jobsite placement, and customers can choose from Truck Bed Delivery, Curbside Delivery, or White Gloves Delivery to match project needs. This flexibility saves contractors time and keeps projects on schedule.

How should copper pipes be maintained in Los Angeles plumbing systems?

Copper pipes should be maintained by checking periodically for leaks, corrosion, or mineral buildup. Since some Los Angeles neighborhoods have hard water, filters or water softeners can help extend pipe life. With proper care and monitoring, copper pipes can last for several decades in residential and commercial systems.