MRCOOL® Universal 50 FT No-Vac® Quick Connect Line Set – 3/8" x 3/4"

MODEL: NV50-3834

Product Description

The MRCOOL® Universal 50 FT Pre-Charged Line Set (NV50-3834) is the longest No-Vac® Quick Connect option, designed to simplify installation for larger homes and extended distances between indoor and outdoor units. Pre-charged with 7.94 oz of R-410A refrigerant for 100% accuracy, this line set eliminates the need for vacuuming, brazing, or handling refrigerant, making it the most efficient and DIY-friendly solution on the market.

Built with rugged 3/4" Gator-Flextra UV-protected insulation and screw-on Quick Connect valves, this line set is engineered for durability and ease of use. Whether you’re a professional installer or a DIY homeowner, the 50 FT reach provides maximum flexibility while reducing installation steps and labor time.

Why Choose This Line Set

✅ Pre-Charged with R-410A – 7.94 oz refrigerant charge ensures accuracy and reliability

✅ Longest Reach Available – 50 FT for large homes or extended system layouts

✅ Quick Connect Technology – installs in a fraction of the time, saving 7 steps vs traditional line sets

✅ Heavy-Duty Insulation – UV-resistant Gator-Flextra sleeve for outdoor protection

✅ No Vacuuming or Special Tools Required – just connect and go

✅ DIY & Pro-Friendly – trusted by installers, simple for homeowners

Specifications at a Glance

What’s Included:

• 50 FT Pre-Charged Line Set (3/8" liquid line x 3/4" suction line)

• 3/4" Gator-Flextra UV-Resistant Insulation Sleeve

• Screw-On Quick Connect Fittings

• Pre-Charged R-410A Refrigerant (7.94 oz)

• Installation Guide

Installations & Manuals

Product Brochure

Installation Manual

Accessory Manual