Product Description

MRCOOL DIY Pre-Charged Quick Connect Line Set, R-454B

Pre-charged R-454B Quick Connect® line sets for MRCOOL® DIY® 5th Generation ductless mini-split systems.

The pre-charged Quick Connect® line set makes installation safe, simple, and cost-effective. Pre-filled with R-454B refrigerant, it eliminates the need for vacuuming. The DIYPRO® cable replaces the need for electrical conduit, offering added durability against weather, animals, and yardwork tools.

Intertek-Tested & Certified

When it comes to easy installation and peace of mind, MRCOOL® stands alone as the ONLY company with patented pre-charged line set valves that have been tested and certified by Intertek.

With the Intertek stamp of approval, homeowners and contractors alike can be sure that their pre-charged installation will be faster, safer, and fully compliant with industry standards.

  • Pre-Charged Valve Control Intertek Number: 5029890
  • Certified Under: UL STD 207 | CSA STD C22.2 # 140.3
  • Rated to Handle 921 PSI: Built to last and tested for strength and leakage
  • Patent-Protected Design: No other line set has this level of certification or innovation
  • Versatile Usage: Works with R454B refrigerants
  • Intertek Certified: Backed by Intertek lab testing at Intertek Plano (TX) with full safety and pressure validation

Specifications

Model Description Length Liquid x Suction DIYPro Cable Refrigerant Charge Net Weight
DIY16-1438-O 16ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor - R454B 16 ft 1/4" x 3/8" No 2.12 oz 7.9 lbs
DIY16-1412-O 16ft 1/4 x 1/2 Lineset for DIY 18K Indoor - R454B 16 ft 1/4" x 1/2" No 2.12 oz 8.8 lbs
DIY16-3858-O 16ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor - R454B 16 ft 3/8" x 5/8" No 2.12 oz 15.9 lbs
DIY25-1438-O 25ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor - R454B 25 ft 1/4" x 3/8" No 2.12 oz 10.4 lbs
DIY25-1412-O 25ft 1/4 x 1/2 Lineset for DIY 18K Indoor - R454B 25 ft 1/4" x 1/2" No 2.12 oz 12.1 lbs
DIY25-3858-O 25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor - R454B 25 ft 3/8" x 5/8" No 2.12 oz 14.1 lbs
DIY25-1438C-O 25ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B 25 ft 1/4" x 3/8" Yes 2.12 oz 15.2 lbs
DIY25-1412C-O 25ft 1/4 x 1/2 Lineset for DIY 18K Indoor w/ DIY Pro Cable - R454B 25 ft 1/4" x 1/2" Yes 2.12 oz 17 lbs
DIY25-3858C-O 25ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor w/ DIY Pro Cable - R454B 25 ft 3/8" x 5/8" Yes 2.12 oz 19 lbs
DIY35-1438C-O 35ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B 35 ft 1/4" x 3/8" Yes 3.46 oz 17.6 lbs
DIY35-1412C-O 35ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor w/ DIY Pro Cable - R454B 35 ft 1/4" x 1/2" Yes 3.46 oz 18.3 lbs
DIY35-3858C-O 35ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor w/ DIY Pro Cable - R454B 35 ft 3/8" x 5/8" Yes 4.66 oz 18.3 lbs
DIY50-1438C-O 50ft 1/4 x 3/8 Lineset for DIY 6K, 9K & 12K Indoor w/ DIY Pro Cable - R454B 50 ft 1/4" x 3/8" Yes 6.07 oz 24 lbs
DIY50-1412C-O 50ft 1/4 x 1/2 Lineset for DIY 18K Indoor w/ DIY Pro Cable - R454B 50 ft 1/4" x 1/2" Yes 6.07 oz 26.7 lbs
DIY50-3858C-O 50ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor w/ DIY Pro Cable - R454B 50 ft 3/8" x 5/8" Yes 10.02 oz 31.3 lbs
Refrigerant Type R-454B
Fitting Type Quick-Connection
Equipment Type R-454B Charged Line Set
Color White

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