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MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set (R-410A) – For 1st Gen Central Ducted & Universal Series | NV25-3834

Name: MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set (R-410A) – For 1st Gen Central Ducted & Universal Series | NV25-3834
Brand: MRCOOL DIY Direct
SKU: NV25-3834
Price: 395.00 USD
Availability: InStock

Vendor: MRCOOL DIY Direct Type: Line Set

4.5' (1201 Reviews)

20% Off

$395.00 ~~$493.75~~

This Product Is In-Stock! Ready to ship

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The MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set (NV25-3834) is specifically designed for use with MRCOOL Universal Series systems and 1st Generation Central Ducted systems (R-410A).

This kink-resistant, pre-charged line set delivers a fast, reliable installation without the need for vacuuming, brazing, or additional refrigerant charging.

⚠️ IMPORTANT COMPATIBILITY NOTICE

✅ Compatible with:
- MRCOOL Universal Series Condensers & Air Handlers
- MRCOOL 1st Generation Central Ducted Systems (36K, 48K, 60K – R-410A)
❌ Not compatible with:
- 2nd Generation Central Ducted Systems (R-454B)

Using a 2nd Gen (R-454B) system? Shop compatible line sets here:
https://mrcooldiydirect.com/collections/mrcool-air-conditioner-heat-pump-line-sets

Key Features

Kink Resistant Design
Improves flexibility during installation, making routing easier and reducing the risk of line damage.

Leak-Proof Quick Connect System
Ensures a secure, vacuum-free connection for a reliable and simplified install.

Pre-Charged with R-410A Refrigerant
Factory charged at 1.94 oz per foot for accurate system performance and efficiency.

Heavy-Duty Gator-Flextra Insulation
Includes a 3/4" UV-resistant protective sleeve that guards against:

Sun exposure
Weather damage
Wear and tear over time

Quick Connect Valves
Simple screw-on fittings eliminate the need for specialized HVAC tools.

Faster Installation
Reduces installation time by eliminating up to 7 traditional steps, allowing for a quicker, more efficient setup.

Product Specifications

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Service & Support

Manufacturer Warranty

This product is covered by the manufacturer’s warranty against defects in materials and workmanship when installed and used according to the manufacturer’s guidelines. Warranty terms and coverage periods vary by manufacturer and product type. Please refer to the official product documentation or contact our team if you need help verifying warranty details.

Technical Support

Freedom HVAC Supply is staffed by people who actually understand HVAC systems. If you need help confirming compatibility, selecting the correct replacement part, or understanding installation requirements, our team is available to assist before and after your purchase.

Product Documentation

Installation manuals, specification sheets, wiring diagrams, and other technical documentation are available whenever possible. These resources help ensure proper installation, system compatibility, and safe operation of your equipment.

Parts Compatibility & Cross-Reference

Many HVAC parts replace or supersede older manufacturer part numbers. We provide replacement part numbers and compatible model information on product pages to help technicians and homeowners verify the correct component before ordering.

Replacement Parts & Accessories

Freedom HVAC Supply carries genuine replacement components and compatible accessories to keep HVAC systems running reliably. From control boards and motors to sensors, line sets, and installation accessories, we supply the parts professionals depend on.

Customer Support

If you have questions about product compatibility, warranty coverage, or installation considerations, our support team is ready to help. Our goal is to make sure you get the right part the first time so your system can get back up and running quickly.

FAQs About Our HVAC Products

Quick answers to questions about ordering, compatibility, and installation.

Ordering & Compatibility

1. Do you sell HVAC equipment to homeowners and DIY installers?

Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.

2. How do I know if this HVAC product is compatible with my system?

Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.

3. Can HVAC contractors purchase from Freedom HVAC Supply?

Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.

Installation & Support

1. Do HVAC systems require professional installation?

Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.

2. Can you help me choose the right HVAC system or part?

Yes. Our support team can assist with product selection based on your application, space, and installation needs.

3. Do you provide installation manuals or documentation?

Manufacturer installation guides and documentation are included or available upon request for most products.

Warranty & Shipping

1. Do HVAC products include a manufacturer warranty?

Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.

2. Do you ship HVAC equipment nationwide?

Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.

3. What should I know about freight delivery for HVAC equipment?

Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.

Need HVAC Help?

Get help with ordering, compatibility, or installation questions.