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MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV25-3834

SKU NV25-3834
by MRCOOL
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$370.00

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Description

MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series (NV25-3834)

The Fastest, Most Reliable Line Set for Ducted and Universal Installations

Speed up your next MRCOOL install and eliminate the hassle of traditional line sets with the MRCOOL 25 ft. Pre-Charged No-Vac Quick Connect Line Set. Engineered specifically for the MRCOOL Universal Series Condenser and Air Handlers, as well as Central Ducted 36K, 48K, and 60K systems, this line set is the go-to choice for contractors who want efficiency and reliability on every job.


Why Choose MRCOOL No-Vac Quick Connect?

Save Time & Labor:
Pre-charged with 3.17 oz of R-410A refrigerant and designed for a no-vacuum, leak-proof connection, this line set allows you to skip seven time-consuming steps compared to conventional installations. The Quick Connect screw-on valves mean no brazing, no special tools, and no mess—just a fast, secure fit every time.

Durable & Flexible:
The kink-resistant copper tubing and 3/4" Gator-Flextra UV protective insulation sleeve ensure easy routing and long-lasting protection from the elements, minimizing the risk of installation errors and callbacks.

Perfect for Every Application:
At 25 feet, this line set gives you the reach needed for larger homes and commercial spaces, ensuring a seamless fit for a wide range of MRCOOL systems.


Key Features

  • Pre-charged with R-410A for 100% charge accuracy (3.17 oz)
  • No vacuum required—leak-proof, hassle-free installation
  • Kink-resistant copper tubing for easier bends and routing
  • 3/4" Gator-Flextra UV insulation for superior durability
  • Quick Connect screw-on valves—no brazing, no special tools
  • Saves 7 installation steps compared to traditional line sets
  • Compatible with MRCOOL Universal Series & Central Ducted 36K/48K/60K

Product Specifications

  • Length: 25 ft.
  • Liquid Line: 3/8"
  • Suction Line: 3/4"
  • Pre-charged R-410A: 3.17 oz
  • Insulation: UV-resistant Gator-Flextra
  • Weight: 28 lbs

Install Faster. Install Smarter. Install MRCOOL.

Upgrade your workflow and deliver consistent, reliable results with the MRCOOL 25 ft. Pre-Charged No-Vac Quick Connect Line Set. Reduce installation time, eliminate guesswork, and boost customer satisfaction—choose MRCOOL for your next project and experience the difference.

PRODUCT SPECIFICATIONS:

Product Dimensions 5"W x 35"D x 35"H
Product Weight 28 lbs
Equipment Type Line Set
Color Copper
Color Family Bronze/Copper Metallic
Refrigerant Type 410A
Refrigerant Volume 3.17 oz
Line Set Length 25 FT
Lineset Fitting Type Quick-Connect
Liquid Line Fitting 1
Liquid Line Size 3/8
Suction Line Fitting 1 1/2
Suction Line Size 3/4
Registered Warranty N/A
Contain Chemicals Yes
Contains Aerosol Yes
Contains Compressed Gas Yes
Proposition 65 Yes
Restricted States GU;PR;VI
Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US
Request an Installer

Product Overview

  • Zone / ROOM:

    Zone / ROOM:

  • Air Handler BTU:

    Air Handler BTU:

  • Condenser BTU:

    Condenser BTU:

  • Outdoor Operating Temp (Cool/ heat):

    Outdoor Operating Temp (Cool/ heat):

  • Warranty

    Warranty

Description

MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series (NV25-3834)

The Fastest, Most Reliable Line Set for Ducted and Universal Installations

Speed up your next MRCOOL install and eliminate the hassle of traditional line sets with the MRCOOL 25 ft. Pre-Charged No-Vac Quick Connect Line Set. Engineered specifically for the MRCOOL Universal Series Condenser and Air Handlers, as well as Central Ducted 36K, 48K, and 60K systems, this line set is the go-to choice for contractors who want efficiency and reliability on every job.


Why Choose MRCOOL No-Vac Quick Connect?

Save Time & Labor:
Pre-charged with 3.17 oz of R-410A refrigerant and designed for a no-vacuum, leak-proof connection, this line set allows you to skip seven time-consuming steps compared to conventional installations. The Quick Connect screw-on valves mean no brazing, no special tools, and no mess—just a fast, secure fit every time.

Durable & Flexible:
The kink-resistant copper tubing and 3/4" Gator-Flextra UV protective insulation sleeve ensure easy routing and long-lasting protection from the elements, minimizing the risk of installation errors and callbacks.

Perfect for Every Application:
At 25 feet, this line set gives you the reach needed for larger homes and commercial spaces, ensuring a seamless fit for a wide range of MRCOOL systems.


Key Features

  • Pre-charged with R-410A for 100% charge accuracy (3.17 oz)
  • No vacuum required—leak-proof, hassle-free installation
  • Kink-resistant copper tubing for easier bends and routing
  • 3/4" Gator-Flextra UV insulation for superior durability
  • Quick Connect screw-on valves—no brazing, no special tools
  • Saves 7 installation steps compared to traditional line sets
  • Compatible with MRCOOL Universal Series & Central Ducted 36K/48K/60K

Product Specifications

  • Length: 25 ft.
  • Liquid Line: 3/8"
  • Suction Line: 3/4"
  • Pre-charged R-410A: 3.17 oz
  • Insulation: UV-resistant Gator-Flextra
  • Weight: 28 lbs

Install Faster. Install Smarter. Install MRCOOL.

Upgrade your workflow and deliver consistent, reliable results with the MRCOOL 25 ft. Pre-Charged No-Vac Quick Connect Line Set. Reduce installation time, eliminate guesswork, and boost customer satisfaction—choose MRCOOL for your next project and experience the difference.

PRODUCT SPECIFICATIONS:

Product Dimensions 5"W x 35"D x 35"H
Product Weight 28 lbs
Equipment Type Line Set
Color Copper
Color Family Bronze/Copper Metallic
Refrigerant Type 410A
Refrigerant Volume 3.17 oz
Line Set Length 25 FT
Lineset Fitting Type Quick-Connect
Liquid Line Fitting 1
Liquid Line Size 3/8
Suction Line Fitting 1 1/2
Suction Line Size 3/4
Registered Warranty N/A
Contain Chemicals Yes
Contains Aerosol Yes
Contains Compressed Gas Yes
Proposition 65 Yes
Restricted States GU;PR;VI
Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US

Commercial HVAC PROS!

Unlock Installer Benefits Now:

  • ✓ Exclusive BULK Pricing
  • ✓ Limited Time Deals
  • ✓ Unmatched Service & Support
  • ✓ Technical support
  • ✓ Extended Warranty & Maintenance
"Their technical expertise in commercial HVAC systems is outstanding. From equipment selection to installation support, they provided everything we needed. The bulk pricing saved us thousands on our multi-building project, and their 24/7 technical support kept us running smoothly."
- Marcus R., HVAC Project Manager, 06/24

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  • ✓ Pre-Vetted, Licensed & Insured Installers
  • ✓ 2-3 Local Options in Your Area
  • ✓ Specialists in Your Equipment Type
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  • ✓ Fast Response - Within 24 Hours

How it works:

1. Fill out the form below with your project details
2. We'll match you with 2-3 qualified installers in your area
3. Installers contact you directly with quotes and availability
4. You choose the best fit for your project

"I bought a heat pump online but wasn't sure about installation. HVAC Hive connected me with three local contractors within hours. I chose one based on reviews and pricing - he installed it perfectly the next week. Made the whole process so much easier!"
- Jennifer M., Homeowner, Phoenix AZ

✓ No obligation quotes | ✓ All installers background checked | ✓ Free service - you only pay the installer

We'll connect you with installers within 48 hours during business days

Frequently Asked Questions about MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV25-3834

Most Frequently Asked Questions

The MRCOOL NV25-3834 line set is specifically compatible with MRCOOL central ducted and mini split systems that use R-410A refrigerant, such as the VersaPro® and Hyper Heat 2nd Gen series, and is not intended for use with other brands or systems using different refrigerants.
The "No-Vac Pre-Charged Quick Connect" feature makes installation easier by providing a factory-sealed, pre-charged line set with quick-connect fittings, eliminating the need for vacuuming or refrigerant charging and allowing fast, tool-free, and leak-free connections between the indoor and outdoor units.
Yes, a 25 ft. line set is suitable for many typical central ducted and Universal series installations, but you should always measure your specific distance to ensure the length is appropriate for your setup.

Other Questions

The MRCOOL NV25-3834 line set is pre-charged with R-410A refrigerant.
No, the MRCOOL NV25-3834 line set is specifically designed and pre-charged for use with MRCOOL systems (using R-410A refrigerant) and is generally not compatible with HVAC units from other brands due to unique fittings, pre-charge specifications, and warranty requirements.

Reviews

Express Free Shipping

Process orders within 1-2 days

Stress Free Returns

Get Covered for (730 days) Returns

Premum Quality

Top Tier Products, Even Better Customer Care

5 Year Warranty

We Believe In Our Products & Our Team