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Copper cap HVAC control, 3 inch internal diameter

Legend Valve

Legend Valve 450-490 3" Copper Cap hvac control

SKU CH-TQG6-ABWN2

A 3-inch copper cap for HVAC systems, supplied new with Proposition 65 chemical warnings

  • New HVAC copper cap for reliable system sealing
  • Legend Valve brand ensures professional-grade quality
  • 3 inch inside diameter fits standard copper tubing
  • California Proposition 65 warning discloses regulated chemical content
  • Model 450-490 identifies exact replacement part

3-Inch Copper Cap for HVAC Systems

This Legend Valve 450-490 copper cap is designed for HVAC control applications. It suits installers and maintenance technicians who need a reliable end fitting for three-inch copper tubing. The component is supplied new and carries California Proposition 65 warnings regarding chemicals known to cause cancer and reproductive harm.

Fitting Integration and System Closure

The cap provides a 3-inch inside diameter and 3-1/8-inch outside diameter to seal copper pipe ends. It fits directly onto prepared tubing without requiring additional adapters or specialised tooling beyond standard HVAC brazing or soldering equipment. This closure frees the system from open lines during pressure testing or permanent termination.

Capacity Limits and Application Boundary

The fitting handles standard HVAC pressures and temperatures associated with copper piping of this size. It does not accommodate larger diameters or different pipe materials without transition fittings. Buyers needing caps for other sizes or seeking threaded or flanged connections will require a different component.

Highlights

  • New HVAC copper cap for reliable system sealing
  • Legend Valve brand ensures professional-grade quality
  • 3 inch inside diameter fits standard copper tubing
  • California Proposition 65 warning discloses regulated chemical content
  • Model 450-490 identifies exact replacement part

Specifications

BrandLEGEND VALVE

Questions about this item

How does the 3-1/8 inch outer diameter affect compatibility with existing piping?

The 3-1/8 inch outer diameter matches standard copper tube sizing for a secure sweat-fit connection on 3 inch nominal pipe.

Does the copper material contribute to heat buildup during continuous operation?

Copper conducts heat efficiently so the cap will reach system temperature quickly but adds no extra thermal load itself.

What pipe preparation is required before installing this copper cap?

Clean the pipe end and cap interior with emery cloth then apply flux before sweating the joint with lead-free solder.

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