MRCOOL Line Set 25ft 1/4-3/8 for Mini Split Systems
MRCOOL Line Set 25ft 1/4-3/8 for Mini Split Systems
PayPal Pay in 4 interest-free payments of $15.00 on qualifying orders, or monthly financing with PayPal Pay Later.
Available at checkout for eligible US buyers. Subject to approval.
Your card is not charged until stock is confirmed. Enter your ZIP below for a transit estimate. Tracking provided once your order ships.
Ships via ground carrier, tracked. Pallet & heavy orders go LTL freight — our team confirms freight within 1 business day.
Secure checkout · Wire/ACH accepted on quotes · Freight arranged for you
Transit estimates from Louisville, KY. Freight details →
- SKU
- PES-MRC-MRCOOL-LINE-SET
PES Supply is an authorized distributor for MRCOOL. 50,000+ SKUs from 169 authorized brands.
MRCOOL 25ft Pre-Charged Line Set (1/4" x 3/8") for DIY Mini-Split Systems
This MRCOOL 25-foot pre-charged line set is designed specifically for MRCOOL DIY mini-split systems (6K, 9K, and 12K BTU indoor units). The quick-connect fittings and pre-charged refrigerant line eliminate the need for professional brazing, vacuum pumping, or EPA refrigerant handling certification. Simply connect the quick-connect fittings between the indoor and outdoor units for a secure, leak-free installation.
- Pre-Charged & Pre-Insulated: Ready to install — no vacuum pump or refrigerant handling needed
- Quick-Connect Fittings: Tool-free connection for DIY installation
- 25 ft. Length: Ideal for most residential mini-split installations
- 1/4" x 3/8" Diameter: Compatible with MRCOOL DIY 6K, 9K, and 12K BTU units
- Insulated Copper Lines: Energy-efficient with minimal thermal loss
- Communication Wire: Includes wiring for indoor/outdoor unit connectivity
- Leak-Tested: Factory pressure-tested for reliability
- R454B Compatible: Designed for the latest MRCOOL 5th Gen systems
Technical Specifications
| Length | 25 ft. (7.6 m) |
| Liquid Line Diameter | 1/4" |
| Suction Line Diameter | 3/8" |
| Compatibility | MRCOOL DIY 6K, 9K, 12K BTU |
| Fitting Type | Quick-Connect (Flared) |
| Insulation | Pre-Insulated Closed-Cell Foam |
| Refrigerant | Pre-Charged R454B |
| Communication Wire | Included (4-conductor) |
| Model | DIY25-1438-O |
| Warranty | 1-Year Limited |
What's in the Box
- 1x 25 ft. Pre-Charged Line Set (1/4" + 3/8")
- Quick-Connect Fittings (2 pairs)
- Communication Wire (25 ft.)
- Installation Guide
| SKU | PES-MRC-MRCOOL-LINE-SET |
|---|---|
| Manufacturer | MRCOOL |
No documents available for this product. Contact us to request documentation.
