Diamondback&#reg; Copper Refrigeration Linesets

Diamondback® refrigeration Linesets are designed especially for the ductless and ducted mini and multi split Air Conditioning and Heat Pump System products requiring insulation on both lines and flared connections. The copper tubes are ASTM B280, annealed, refrigerant grade, ACR type; individually insulated with Mitsubishi Electric’s exclusive, new “Twin Tube” ‑ single piece molded, closed cell foam insulation. The figure eight shaped insulation has the highest grade UL resistance available for extended outdoor applications. In response to the demand for a quick, efficient and economical field method of installation for refrigerant lines to connect ductless mini-split and other split system air conditioners and heat pumps, Mitsubishi Electric HVAC offers a proven product to meet the industry’s needs.

Diamondback Advantages include the following features:

• Quick, efficient, and economical field installation using factory applied Twin Tube insulation
• Flare connections with flare nuts mounted
• Correct lengths for reducing waste and time
• Quality, consistency, and economy
• All Diamondback Lineset tubing is tested in accordance with ASTM E243
• One- year warranty