
MRCOOL DIY Quick Connect Pre-Charged Line Set (R-454B)
Price range: $227.00 through $662.00
In stock, arrives in 3–5 business days.
Free shipping within New Hampshire. Outside NH? Pick up at our Andover yard or call 603-735-6500.
A Quick Connect® line set that comes pre-charged with R-454B for MRCOOL DIY systems. Buy one line set per air handler and match the line size to the air handler: 1/4 x 3/8 for 6K–12K, 1/4 x 1/2 for 18K, and 3/8 x 5/8 for 24K–36K.
Ships free in about 5 business days.
Description
Quick Connect Line Set
- ShippingFree · ~5 business days
A Quick Connect® line set that comes pre-charged with R-454B for MRCOOL DIY systems. Buy one line set per air handler and match the line size to the air handler: 1/4 x 3/8 for 6K–12K, 1/4 x 1/2 for 18K, and 3/8 x 5/8 for 24K–36K.
Lengths: 16 ft and 25 ft without cable; 25, 35 and 50 ft with DIYPro cable.
Ships free in about 5 business days.
Building a multi-zone system? Follow our Build your MRCOOL multi-zone system guide, or have us check your combo (free).
Specs by option
| MRCOOL rating | 16 ft / 1/4 x 3/8 (6K–12K) | 16 ft / 1/4 x 1/2 (18K) | 16 ft / 3/8 x 5/8 (24K–36K) | 25 ft / 1/4 x 3/8 (6K–12K) | 25 ft / 1/4 x 1/2 (18K) | 25 ft / 3/8 x 5/8 (24K–36K) | 25 ft with DIYPro Cable / 1/4 x 3/8 (6K–12K) | 25 ft with DIYPro Cable / 1/4 x 1/2 (18K) | 25 ft with DIYPro Cable / 3/8 x 5/8 (24K–36K) | 35 ft with DIYPro Cable / 1/4 x 3/8 (6K–12K) | 35 ft with DIYPro Cable / 1/4 x 1/2 (18K) | 35 ft with DIYPro Cable / 3/8 x 5/8 (24K–36K) | 50 ft with DIYPro Cable / 1/4 x 3/8 (6K–12K) | 50 ft with DIYPro Cable / 1/4 x 1/2 (18K) | 50 ft with DIYPro Cable / 3/8 x 5/8 (24K–36K) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Line sizes (liquid × suction, in) | 1/4 × 3/8 | 1/4 × 1/2 | 3/8 × 5/8 | 1/4 × 3/8 | 1/4 × 1/2 | 3/8 × 5/8 | 1/4 × 3/8 | 1/4 × 1/2 | 3/8 × 5/8 | 1/4 × 3/8 | 1/4 × 1/2 | 3/8 × 5/8 | 1/4 × 3/8 | 1/4 × 1/2 | 3/8 × 5/8 |
| Line set length | 16 ft | 16 ft | 16 ft | 25 ft | 25 ft | 25 ft | 25 ft | 25 ft | 25 ft | 35 ft | 35 ft | 35 ft | 50 ft | 50 ft | 50 ft |
| Refrigerant | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B |
| Net weight (lb) | 7.9 | 8.8 | 15.9 | 10.4 | 12.1 | 14.1 | 15.2 | 17 | 19 | 17.6 | 18.3 | 18.3 | 24 | 26.7 | 31.3 |
Model numbers: 16 ft / 1/4 x 3/8 (6K–12K): DIY16-1438-O · 16 ft / 1/4 x 1/2 (18K): DIY16-1412-O · 16 ft / 3/8 x 5/8 (24K–36K): DIY16-3858-O · 25 ft / 1/4 x 3/8 (6K–12K): DIY25-1438-O · 25 ft / 1/4 x 1/2 (18K): DIY25-1412-O · 25 ft / 3/8 x 5/8 (24K–36K): DIY25-3858-O · 25 ft with DIYPro Cable / 1/4 x 3/8 (6K–12K): DIY25-1438C-O · 25 ft with DIYPro Cable / 1/4 x 1/2 (18K): DIY25-1412C-O · 25 ft with DIYPro Cable / 3/8 x 5/8 (24K–36K): DIY25-3858C-O · 35 ft with DIYPro Cable / 1/4 x 3/8 (6K–12K): DIY35-1438C-O · 35 ft with DIYPro Cable / 1/4 x 1/2 (18K): DIY35-1412C-O · 35 ft with DIYPro Cable / 3/8 x 5/8 (24K–36K): DIY35-3858C-O · 50 ft with DIYPro Cable / 1/4 x 3/8 (6K–12K): DIY50-1438C-O · 50 ft with DIYPro Cable / 1/4 x 1/2 (18K): DIY50-1412C-O · 50 ft with DIYPro Cable / 3/8 x 5/8 (24K–36K): DIY50-3858C-O
Ratings are MRCOOL’s published figures (official MRCOOL product data). A dash means MRCOOL doesn’t list that value for this unit.
Documents from MRCOOL
Call the Shop
Sizing, voltage and line set questions: Mon–Fri 8:00–4:00. 603-735-6500 · info@thepineoutlet.com
Additional information
| Length | 16 ft, 25 ft, 25 ft with DIYPro Cable, 35 ft with DIYPro Cable, 50 ft with DIYPro Cable |
|---|---|
| Line Size | 1/4 x 3/8 (6K–12K), 1/4 x 1/2 (18K), 3/8 x 5/8 (24K–36K) |




