Unlock Free shipping on qualifying orders over $99. Just 

HomElectrical.com Wholesale Electrical, HVAC & Lighting Supplies for Pros

MrCool 50-ft Quick-Connect Line Set for DIY Series 9K, 12K & 18K, R-454B

MrCool DIY50-1412C-O
SKU MCL-DIY501412CO
MrCool's 50-ft Quick-Connect line set is compatible with 9K, 12K & 18K DIY series mini-split systems. it uses R-454B refrigerant and has 1/4-in and 1/2-in line sizes. DIY Pro cable included. Shop more mini split system accessories at HomElectrical today!
MrCool 50-ft Quick-Connect Line Set for DIY Series 9K, 12K & 18K, R-454B

Image may not depict product actual color, inclusions or accessories

Similar Refrigerant Line Sets Products

MrCool DIY50-1412C-O Description

  • 50-ft Length.
  • Pre-Charged with R-454B Refrigerant.
  • Kink Resistant.
  • Leak Proof.
  • Liquid Line Size: 1/4-in.
  • Suction Line Size: 1/2-in.
  • Compatible with 9K, 12K and 18K DIY Systems.
  • DIY Pro Cable included.

Get FREE shipping on eligible order of $99+
Free Shipping
$601.43Each
In Stock-

Ships between 08/27/2026 - 09/10/2026

MrCool
Visit The MrCool Store
See more MRCOOL DIY Series Air Conditioner

Product Specifications

Part NumberDIY50-1412C-O
RefrigerantR-454B
Weight32.20-lb
UPC840255587150

Shop Top 100 HVAC System & Supply Products.

View other Refrigerant Line Sets Best Sellers.

Manufacturer Description

50ft 1/4 x 1/2 Line set for DIY 9K, 12K & 18K Indoor w/ DIY Pro Cable - R454B
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

Product Questions & Answers

Customer Reviews

Your voice matters. Be the first to leave a review and help other pros shop smarter