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Copper Pipes & Fittings

Copper Pipe 3/4 in. Type M Red PSI-701

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About This Product Perfect for various plumbing and heating applications, the 3/4 in. x 10 ft. Copper Type M Hard Temper Straight Pipe is robust an...

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Copper Pipe 1/2 in. Type L Blue PSI-361

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About This Product Streamline Copper Tube establishes the benchmark for quality, consistency, and service within the plumbing sector. Offering a co...

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Copper Refrigerant 15 in. x 3/4 in. x 3/4 in. Flexible PSI-150

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About This Product This low lead supply line is designed for use in applications related to water heaters or water softeners, suitable for both new...

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

Original price $11.78 - Original price $11.78
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About This Product Securely join copper tubes using a reducing tee. This product is specifically designed for ASTM B88 and B75 copper tubing, allow...

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

Original price $4.18 - Original price $4.18
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About This Product Securely join copper tubes using a copper tee. This tee is specifically designed for ASTM B88 and B75 copper tubing and includes...

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Copper Elbow 1 in. x 1 in. Lead Free PSI-200

Original price $8.86 - Original price $8.86
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About This Product is the reliable solution for copper press joining. Since its launch in 1999, it has lowered overall project costs, saved time, a...

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Copper Fitting Tee 3/4 in. x 3/4 in. x 3/4 in. Lead Free PSI-700 (10-Pack)

Original price $41.73 - Original price $41.73
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About This Product The lead-free wrot copper solder pressure tee is utilized in both residential and commercial systems, including potable water, a...

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

Original price $15.52 - Original price $15.52
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About This Product The 1 in. x 3/4 in. Copper Pressure 90 Degree Cup x Cup Reducing Elbow assists in preventing dezincification while altering the ...

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Copper Adapter 1/2 in. x 1/2 in. Lead Free PSI-722 (25-Pack)

Original price $28.39 - Original price $28.39
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About This Product The lead-free copper solder-reducing coupling is utilized in both residential and commercial applications, including potable wat...

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Copper Tee 3/4 in. x 3/4 in. x 3/4 in. Lead Free PSI-300 (5-Pack)

Original price $33.00 - Original price $33.00
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About This Product Securely join copper tubes using the copper tee. This tee is specifically designed for ASTM B88 and B75 copper tubing and includ...

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Copper Fitting Coupling 3/4 in. x 3/4 in. Lead Free PSI-582 (10-Pack)

Original price $14.42 - Original price $14.42
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About This Product The lead-free copper solder pressure coupling is utilized in both residential and commercial applications, including drinking wa...

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

Original price $62.73 - Original price $62.73
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About This Product Utilize 1/2-inch couplings to create reliable extensions and repairs for ASTM B88 and B75 copper tubing. These couplings are des...

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

Original price $11.56 - Original price $11.56
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About This Product This lead-free wrought copper solder 45-degree elbow is designed for use in both residential and commercial applications, includ...

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

Original price $10.58 - Original price $10.58
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About This Product Utilize the 1-inch Coupling to create secure extensions and repairs for ASTM B88 and B75 copper tubing. This coupling is designe...

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Copper Coupling 3/4 in. x 3/4 in. Lead Free PSI-300 (10-Pack)

Original price $72.98 - Original price $72.98
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About This Product Utilize the 3/4-inch couplings without a stop to create reliable extensions and repairs for ASTM B88 and B75 copper tubing. Thes...

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Copper Fitting Tee 1/2 in. x 1/2 in. x 1/2 in. Corrosion Resistant PSI-722 (10-Pack)

Original price $15.52 - Original price $15.52
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About This Product The lead-free* wrot copper solder pressure tee is utilized in both residential and commercial applications, including potable wa...

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

Original price $10.13 - Original price $10.13
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About This Product The lead-free wrought copper solder pressure fitting reducer is utilized in both residential and commercial applications, includ...

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Copper Stub Out 3/4 in. x 3/4 in. Lead Free PSI-200

Original price $17.67 - Original price $17.67
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About This Product The 8 in. x 3/4 in. Copper PEX-A Barb Stub-Out 90 Degree Elbow with Flange offers exceptional stability for stub-outs connecting...

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

Original price $18.41 - Original price $18.41
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About This Product Utilize the 1 in. x 1 in. x 1/2 in. Copper Pressure Tee with Cup x Cup x Cup connections on a primary water-supply line to estab...

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Copper Coupling 1 in. Lead Free PSI-300

Original price $12.96 - Original price $12.96
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About This Product Securely join copper tubes using the 1 in. by 3/4 in. copper reducer. This fitting is crafted for compatibility with ASTM B88 an...

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

Original price $6.35 - Original price $6.35
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About This Product The lead-free copper solder pressure fitting reducer is utilized in both residential and commercial applications, including drin...

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

Original price $9.12 - Original price $9.12
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About This Product The 3/4 inch by 1/2 inch lead-free wrot copper solder pressure male adapter is utilized in both residential and commercial appli...

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

Original price $6.97 - Original price $6.97
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About This Product Utilize the 1/2-inch coupling to create reliable extensions and repairs for ASTM B88 and B75 copper tubing. This coupling includ...

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

Original price $10.71 - Original price $10.71
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About This Product The lead-free wrot copper solder pressure female adapter is designed for use in both residential and commercial systems, includi...

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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!