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SOLDER UNION 3/16OD TUBE EX-CRD/6 - Robinair

Part #: RR40417

The Robinair RR40417 Solder Union is a professional-grade fitting designed for extending 3/16 inch OD (Outer Diameter) tubes within demanding automotive and industrial systems. This specialized solder union not only creates a robust, leak-proof connection but also integrates a convenient 1/4 inch Male Flare (MFL) access port. Each package contains six units, providing technicians with multiple essential components for their service and repair needs.

Key Features

  • Precision Tube Extension: Engineered to precisely extend 3/16 inch OD tubing, ensuring a secure and exact fit for critical lines.
  • Integrated 1/4" MFL Access: Features a 1/4 inch Male Flare access port, allowing for reliable connection points for gauges, vacuum pumps, or charging hoses.
  • Durable Construction: Manufactured from tough, high-quality materials, likely copper or a copper alloy, to withstand the pressures and operational demands of professional HVAC and refrigeration applications.
  • Professional-Grade Reliability: Designed to facilitate permanent, leak-proof soldered joints, crucial for maintaining system integrity and performance.
  • Convenient 6-Pack: Supplied in a pack of six, ensuring technicians have an ample supply for multiple jobs or on-hand replacements.

Applications

The Robinair RR40417 Solder Union is an indispensable component for professional technicians working on HVAC and refrigeration systems. It is ideally suited for extending existing 3/16 inch OD lines, commonly found in automotive air conditioning, commercial refrigeration units, and other industrial cooling applications. The integrated 1/4 inch MFL access port adds versatility, allowing for easy system evacuation, charging, or pressure testing without requiring additional fittings.

Specifications

  • Manufacturer: Robinair
  • Model Number: RR40417 (40417)
  • Tube Extension Size: 3/16 inch OD
  • Access Port Size: 1/4 inch MFL (Male Flare)
  • Quantity: 6 per pack
Only 4 left in stock - order soon

$31.06

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 479152
  • Shipping Weight: 0.3lbs
  • UPC: 637335004771
  • Manufacturers Part #: RR40417
  • Manufactured by: Robinair
  • Also Known As: RR40417

This product was added to our catalog on Sunday 12 July, 2026.

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