Robertshaw 4590-070 Tube Reducer
HomeStore

Robertshaw 4590-070 Tube Reducer

Robertshaw 4590-070 Tube Reducer

The Robertshaw 4590-070 Tube Reducer is a precision-engineered HVAC mechanical fitting designed for reliable transitions in capillary tube systems and refrigeration lines. This 1/4" to 3/16" copper adapter ensures a secure, leak-resistant connection when downsizing tubing diameters in high-pressure environments. Constructed from high-grade brass or copper alloys, it maintains structural integrity under thermal cycling and vibrational stress common in commercial refrigeration units. Veteran technicians rely on this refrigeration line reducer for its dimensional accuracy, which facilitates clean brazing or soldering joints without excessive filler metal. Whether you are performing field repairs or custom equipment installations, this Robertshaw fitting provides the precise flow control characteristics required for maintaining system efficiency and protecting compressor performance. Its compact profile makes it an essential component for tight service access areas where standard couplings fail to provide the necessary clearance.

Key Benefits for Technicians:

  • Precision Machined: Ensures exact 1/4 inch O.D. to 3/16 inch O.D. sizing for tight tolerances.
  • Durable Construction: Built to withstand the high-side pressures of modern HVACR systems.
  • Streamlined Brazing: Surface finish is optimized for superior capillary action during the soldering process.
  • Universal Compatibility: Works seamlessly with standard copper refrigeration tubing and capillary lines.

Common Technical Questions:

Is this reducer compatible with R-410A systems?
Yes, the 4590-070 is rated for the high-pressure requirements of R-410A systems, provided the braze joints are executed to industry standards.

Can this be used in hot gas bypass lines?
This fitting is suitable for hot gas bypass applications where a 1/4" to 3/16" reduction is required, maintaining integrity at high discharge temperatures.

Does this require a specific flux for installation?
Standard silver solder or 15% silver brazing rods are recommended; use flux only if joining dissimilar metals or mandated by specific local codes.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$7.25

Original: $20.72

-65%
Robertshaw 4590-070 Tube Reducer

$20.72

$7.25

Robertshaw 4590-070 Tube Reducer

The Robertshaw 4590-070 Tube Reducer is a precision-engineered HVAC mechanical fitting designed for reliable transitions in capillary tube systems and refrigeration lines. This 1/4" to 3/16" copper adapter ensures a secure, leak-resistant connection when downsizing tubing diameters in high-pressure environments. Constructed from high-grade brass or copper alloys, it maintains structural integrity under thermal cycling and vibrational stress common in commercial refrigeration units. Veteran technicians rely on this refrigeration line reducer for its dimensional accuracy, which facilitates clean brazing or soldering joints without excessive filler metal. Whether you are performing field repairs or custom equipment installations, this Robertshaw fitting provides the precise flow control characteristics required for maintaining system efficiency and protecting compressor performance. Its compact profile makes it an essential component for tight service access areas where standard couplings fail to provide the necessary clearance.

Key Benefits for Technicians:

  • Precision Machined: Ensures exact 1/4 inch O.D. to 3/16 inch O.D. sizing for tight tolerances.
  • Durable Construction: Built to withstand the high-side pressures of modern HVACR systems.
  • Streamlined Brazing: Surface finish is optimized for superior capillary action during the soldering process.
  • Universal Compatibility: Works seamlessly with standard copper refrigeration tubing and capillary lines.

Common Technical Questions:

Is this reducer compatible with R-410A systems?
Yes, the 4590-070 is rated for the high-pressure requirements of R-410A systems, provided the braze joints are executed to industry standards.

Can this be used in hot gas bypass lines?
This fitting is suitable for hot gas bypass applications where a 1/4" to 3/16" reduction is required, maintaining integrity at high discharge temperatures.

Does this require a specific flux for installation?
Standard silver solder or 15% silver brazing rods are recommended; use flux only if joining dissimilar metals or mandated by specific local codes.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

Shipping & Returns

Description

The Robertshaw 4590-070 Tube Reducer is a precision-engineered HVAC mechanical fitting designed for reliable transitions in capillary tube systems and refrigeration lines. This 1/4" to 3/16" copper adapter ensures a secure, leak-resistant connection when downsizing tubing diameters in high-pressure environments. Constructed from high-grade brass or copper alloys, it maintains structural integrity under thermal cycling and vibrational stress common in commercial refrigeration units. Veteran technicians rely on this refrigeration line reducer for its dimensional accuracy, which facilitates clean brazing or soldering joints without excessive filler metal. Whether you are performing field repairs or custom equipment installations, this Robertshaw fitting provides the precise flow control characteristics required for maintaining system efficiency and protecting compressor performance. Its compact profile makes it an essential component for tight service access areas where standard couplings fail to provide the necessary clearance.

Key Benefits for Technicians:

  • Precision Machined: Ensures exact 1/4 inch O.D. to 3/16 inch O.D. sizing for tight tolerances.
  • Durable Construction: Built to withstand the high-side pressures of modern HVACR systems.
  • Streamlined Brazing: Surface finish is optimized for superior capillary action during the soldering process.
  • Universal Compatibility: Works seamlessly with standard copper refrigeration tubing and capillary lines.

Common Technical Questions:

Is this reducer compatible with R-410A systems?
Yes, the 4590-070 is rated for the high-pressure requirements of R-410A systems, provided the braze joints are executed to industry standards.

Can this be used in hot gas bypass lines?
This fitting is suitable for hot gas bypass applications where a 1/4" to 3/16" reduction is required, maintaining integrity at high discharge temperatures.

Does this require a specific flux for installation?
Standard silver solder or 15% silver brazing rods are recommended; use flux only if joining dissimilar metals or mandated by specific local codes.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Robertshaw 4590-070 Tube Reducer | GSIstore