MRCOOL - 35ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor - R454B — Klondike AC & Heating Skip to content
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MRCOOL - 35ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor - R454B
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MRCOOL - 35ft 1/4 x 3/8 Line Set for DIY 6K, 9K & 12K Indoor - R454B

by MRCOOL
SKU DIY35-1438C-O
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$502.00
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The MRCOOL® DIY35-1438C-O is a 35-foot pre-charged lineset with an integrated DIY Pro Cable, engineered for compatibility with MRCOOL DIY 6K, 9K, and 12K indoor units using R-454B refrigerant. This advanced installation component simplifies setup while delivering excellent durability, refrigerant integrity, and safety.

Equipped with patented Quick Connect fittings, this lineset allows for a hassle-free, tool-free connection between indoor and outdoor units. The added DIY Pro Cable enhances reliability and safety during installation, offering pre-attached wiring in a single bundled solution. It's the ideal choice for extended installations requiring both performance and convenience.

Key Features:

  • Length: 35 feet of pre-charged copper tubing
  • Line Sizes: 1/4 inch liquid line and 3/8 inch suction line
  • Refrigerant: Pre-charged with R-454B refrigerant for environmentally responsible performance
  • Compatibility: Designed for MRCOOL DIY 6K, 9K, and 12K indoor units
  • Connection Type: Quick Connect fittings for easy and secure installation
  • Pro Cable: Integrated DIY Pro Cable for simplified wiring and increased safety
  • Insulation: High-quality insulation ensures efficiency and protection from condensation
  • Durability: Built with corrosion-resistant materials for long-term use
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from 2326 reviews
Super responsive - great pricing - easy!!! No

Super responsive - great pricing - easy!!! No brainer!

Ray
Klondike AC & Heating
Great experience.

Excellent pricing, fast shipping, great communication. I highly recommend Klondike AC

Bob Warne
Klondike AC & Heating
This unit is great!

This unit is great. Arrived in very heavy packaging upon a pallet. Everything intact. Setup was straight forward. Love the easy to use app.Unit came right up without any problems. Very happy and highly recommend.

Bob Warne
MRCOOL - DIY 5th Generation Easy Pro - 1.5 Ton / 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump - 20 SEER2 - R454B - 230V
Bricks arrived very well packed

Bricks arrived very well packed, so all went well, after a lengthy delay from backorder at distributor warehouse. Follow up from Klondike was reassuring. Good customer service.

Anonymous
Drolet - 4" x 8" x 1 1/4" Refractory Brick 9 Units
Very efficient and surprisingly quiet

Our installer said it was well-designed. We’re very satisfied with the results.

Michael Johnson
Goodman - 3.0 Tons/36,000 BTU Air Conditioner Condenser- SEER2 17.2 - Two Stage - 208V
Reliable performance and great customer care

This product is exactly what we needed. Efficient, durable, and worth the price.

Samuel Kim
Goodman - 2.5 Ton/30,000 BTU Air Conditioner Condenser - SEER2 15.2 - Single Stage - R32
Great value for money and easy to maintain

Very happy with this unit. Noticed an immediate difference in cooling and lower energy bills.

Grace Williams
Goodman - 4 Ton/48,000 BTU Air Conditioner Condenser - SEER2 13.4 - Single Stage - R32
Quiet Operation, Great Comfort

Very happy with this purchase. The team at Klondike AC made the process simple and stress-free.

Matthew Moreno
Goodman - 4 Ton/60,000 BTU Gas Packaged Unit - 13.4 SEER2 - Single Stage - R32 - 230V
Smooth Installation Experience

Super smooth experience from start to finish. Josh answered all our questions and made sure delivery was easy.

Edward Wilkins
Daikin - 5 Ton/58,000 BTU Commercial Packaged Heat Pump - 13.4 SEER2 - Single Stage - 208/230V - R32
Energy Bills Already Lower

This unit has been excellent. Runs quietly and keeps our home comfortable. Huge thanks to Maggie at Klondike AC.

Krista Johnson
Goodman - 2.5 Tons/40000 BTU Packaged Gas/Electric Central Air System - SEER2 13.4 - Single Stage - 208V
Josh Helped Us Pick the Right Model

Energy bills already dropped since installing this unit. It’s efficient and reliable. Thank you Klondike AC.

Anne Smith
Daikin - 7.5 Ton/86,000 BTU Packaged AC - SEER 14 - Single Stage - 208V
Impressed with the Quality

The Klondike AC team impressed us with great service. Installation was straightforward and performance is better than expected.

Melissa Hart
Daikin - 20 Ton/230,000 BTU Packaged AC - SEER 14 - Single Stage - 208V
Cools and Heats Better Than Expected

Super smooth experience from start to finish. Josh answered all our questions and made sure delivery was easy.

Kelly Foley
Daikin - 6 Ton/69,000 BTU Light Commercial Packaged Air Conditioner - 13.4 SEER2 - Single Stage - 460V - R32
Perfect Size for Our Office

The Klondike AC team impressed us with great service. Installation was straightforward and performance is better than expected.

Keith Ray
Daikin - 10 Ton/116,000 BTU Commercial Packaged Air Conditioner - 14 EER - Single Stage - 460V - R32
Energy Bills Already Lower

Very happy with this purchase. The team at Klondike AC made the process simple and stress-free.

Andrea Baker
Goodman - 2.0 Tons/40,000 BTU Ultra Low NOx Packaged Gas/Electric Central Air System - SEER2 13.4 - Single Stage - 208V

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