Della 25 Feet of 3/8" LL x 3/4" SL x 3/8" Insulated Line Set
The DELLA Central AC Line Set comes in two size options—3/8" x 7/8" OD and 3/8" x 3/4" OD.
Precision Tubing： Made with copper-aluminum tubes and 1" thick walls for leak-proof performance, efficient refrigerant flow, and long service life.
Layered Insulation： Features 3/8" thick, 3-layer insulation with embossed polyethylene film and weather-resistant foam to reduce condensation and protect surrounding surfaces.
99.9% Pure Copper： High-purity seamless copper provides excellent thermal conductivity, corrosion resistance, and smooth refrigerant movement.
Reliable Protection： Closed-cell foam prevents moisture penetration, limits heat loss, and reduces frost buildup. The embossed surface helps water disperse evenly.
Tech Specs:
| Material | Copper-aluminum |
| Purity | 99.9% pure copper |
| Wall Thickness | 1 inch |
| Insulation | 3-layer insulation with polyethylene film and foam |
| Lengths Available | 16ft, 25ft, 35ft, 50ft |
Frequently Asked Questions
Is installation easy?
Yes, the set comes with pre-flared ends with nuts, making installation simple and hassle-free.
Is this line set compatible with all central air conditioners?
This copper aluminum coil line set is designed to fit most ductless central air conditioners. However, it is always best to check your unit’s specifications before purchasing.
Is this product durable?
Yes, the high-quality copper-aluminum construction and three-layer insulation provide long-lasting durability and protection against climate conditions.
