The MRCOOL 5th Gen DIY Line Set is a required component for installing your MRCOOL DIY ductless mini-split system. This 50-foot model is pre-charged with environmentally friendly R-454B refrigerant and works with MRCOOL's DIY 5th Gen 24K and 36K air handler units, featuring 3/8” liquid and 5/8” suction lines.
Equipped with Quick Connect fittings, the line set allows for fast, tool-free installation—no vacuuming, charging, or special certifications needed. Built with durable, kink-resistant materials and a leak-proof design, it ensures long-lasting, efficient performance. Available in multiple lengths, it’s the key to making your HVAC setup truly DIY-friendly.
|
Series |
5th Gen DIY Line Set - R-454B |
|
Compatible Air Handlers |
24K & 36K 5th Gen DIY |
|
Line Set Length |
50 ft |
|
Line Fitting Type |
Quick-Connection |
|
Gross Dimensions |
37.2" D x 4.92" H x 37.2" |
|
Color |
White |
|
Color Family |
Bronze/Copper Metallic |
|
Refrigerant Type |
R-454B |
|
Refrigerant Volume |
10.02 |
|
Liquid Line Size |
3/8 |
|
Suction Line Size |
5/8 |
|
Registered Warranty |
N/A |
|
Has Batteries |
No |
|
Contains Electronics |
No |
|
Contains Aerosol |
Yes |
|
Contains Compressed Gas |
Yes |
|
Proposition 65 Warning |
Yes |
|
Restricted States |
GU;PR;VI |
|
Net Weight (Lbs) |
31.3 |
|
Gross Weight (Lbs) |
36.8 |
The MRCOOL 5th Gen DIY Line Set is a required component for installing your MRCOOL DIY ductless mini-split system. This 16-foot model is pre-charged with environmentally friendly R-454B refrigerant and works with MRCOOL's DIY 5th Gen 24K and 36K air handler units, featuring 3/8” liquid and 5/8” suction lines.
Equipped with Quick Connect fittings, the line set allows for fast, tool-free installation—no vacuuming, charging, or special certifications needed. Built with durable, kink-resistant materials and a leak-proof design, it ensures long-lasting, efficient performance. Available in multiple lengths, it’s the key to making your HVAC setup truly DIY-friendly.
|
Series |
5th Gen DIY Line Set - R-454B |
|
Compatible Air Handlers |
24K & 36K 5th Gen DIY |
|
Line Set Length |
16 ft |
|
Lineset Fitting Type |
Quick-Connection |
|
Gross Dimensions |
28.94" D x 4.92" H x 28.94" W |
|
Color |
White |
|
Color Family |
Bronze/Copper Metallic |
|
Refrigerant Type |
R-454B |
|
Refrigerant Volume (Oz) |
2.12 |
|
Liquid Line Size |
3/8 |
|
Suction Line Size |
5/8 |
|
Registered Warranty |
N/A |
|
Has Batteries |
No |
|
Contains Electronics |
No |
|
Contains Chemicals |
Yes |
|
Contains Aerosol |
Yes |
|
Contains Compressed Gas |
Yes |
|
Proposition 65 Warning |
Yes |
|
Restricted States |
GU;PR;VI |
|
Net Weight (Lbs) |
15.9 |
|
Gross Depth (In) |
28.94 |
|
Gross Height (In) |
4.92 |
|
Gross Width (In) |
28.94 |
|
Gross Weight (Lbs) |
18.5 |
When one standard size DIY® QUICK CONNECT® LINE SET is not long enough, two standard QUICK CONNECT® LINE SETS can be combined using our DIY® COUPLER to increase the desired length of the QUICK CONNECT® LINE SETS.
Use this DIY coupler if you have a 24K or 36K Air Handler. This also comes with 75ft of Communication Wire.
Final Sale: MRCOOL Accessories are non-returnable. Contact a representative if you need assistance with finding the right HVAC Accessory.
| Unit Type | Accessories |
| Equipment Type | Coupler |
| Color | Copper |
| California Residents | See Prop 65 WARNING |
