Skip to content

MRCOOL 15 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV15-3834

SKU NV15-3834
by MRCOOL
Authorized Dealer Official
100% Authentic Guarantee
In stock, ready to ship

Fast shipping icon FREE EXPRESS SHIPPING: Process orders in 1 business day

Returns icon STRESS FREE RETURNS: 2 Year Returns

VIP icon PREMIUM QUALITY: Top Tier Products, Even Better Customer Care

Warranty icon 5 YEAR WARRANTY: We Believe In Our Products & Our Team

Professional installation icon PROFESSIONAL INSTALLATION: Get connected with certified, licensed installers in your area - Request installer quotes

$288.00

Notify me when back in stock

Estimated Shipping Widget will be displayed here!

Sticky Add to Cart Button
Description

MRCOOL 15 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series (NV15-3834)

Fast, Reliable, and Hassle-Free—Revolutionize Your Installations

When speed, reliability, and precision matter, the MRCOOL 15 ft. Pre-Charged No-Vac Quick Connect Line Set delivers. Specially designed for the MRCOOL Universal Series Condenser and Air Handlers, as well as Central Ducted 36K, 48K, and 60K systems, this line set eliminates the headaches of traditional installations.


Save Time, Eliminate Steps

With its pre-charged R-410A refrigerant (1.94 oz) and no-vacuum-required, leak-proof design, you can skip seven time-consuming installation steps. The screw-on Quick Connect valves make setup simple and efficient, so you can move on to your next job faster—without sacrificing quality.


Built for Durability and Performance

The kink-resistant copper tubing ensures flexibility and easy routing, while the 3/4" Gator-Flextra UV protective insulation sleeve guards against weather and wear. This means fewer callbacks, longer-lasting performance, and peace of mind for both you and your clients.


Key Features

  • Pre-charged with R-410A for 100% charge accuracy
  • No vacuum required—just quick, leak-proof installation
  • Kink-resistant copper for easy, reliable bends
  • 3/4" Gator-Flextra UV insulation for superior protection
  • Quick Connect valves—no brazing, no special tools, no mess
  • Saves 7 installation steps compared to conventional line sets
  • Compatible with MRCOOL Universal Series & Central Ducted 36K/48K/60K

Product Specifications

  • Length: 15 ft.
  • Liquid Line: 3/8"
  • Suction Line: 3/4"
  • Pre-charged R-410A: 1.94 oz
  • Insulation: UV resistant Gator-Flextra
  • Weight: 19 lbs

Upgrade Your Workflow—Choose MRCOOL No-Vac Quick Connect

Don’t waste time on tedious, error-prone line set installations. With MRCOOL’s Pre-Charged No-Vac Quick Connect Line Set, you’ll finish jobs faster, reduce risk, and deliver consistent results that build your reputation. Install with confidence—choose MRCOOL.

PRODUCT SPECIFICATIONS:

Product Dimensions 5"W x 30"D x 36"H
Product Weight 19 lbs
Equipment Type Line Set
Color Copper
Color Family Bronze/Copper Metallic
Refrigerant Type 410A
Refrigerant Volume 1.94 oz
Line Set Length 15 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 10 Year Registered Limited Warranty

Description

MRCOOL 15 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series (NV15-3834)

Fast, Reliable, and Hassle-Free—Revolutionize Your Installations

When speed, reliability, and precision matter, the MRCOOL 15 ft. Pre-Charged No-Vac Quick Connect Line Set delivers. Specially designed for the MRCOOL Universal Series Condenser and Air Handlers, as well as Central Ducted 36K, 48K, and 60K systems, this line set eliminates the headaches of traditional installations.


Save Time, Eliminate Steps

With its pre-charged R-410A refrigerant (1.94 oz) and no-vacuum-required, leak-proof design, you can skip seven time-consuming installation steps. The screw-on Quick Connect valves make setup simple and efficient, so you can move on to your next job faster—without sacrificing quality.


Built for Durability and Performance

The kink-resistant copper tubing ensures flexibility and easy routing, while the 3/4" Gator-Flextra UV protective insulation sleeve guards against weather and wear. This means fewer callbacks, longer-lasting performance, and peace of mind for both you and your clients.


Key Features

  • Pre-charged with R-410A for 100% charge accuracy
  • No vacuum required—just quick, leak-proof installation
  • Kink-resistant copper for easy, reliable bends
  • 3/4" Gator-Flextra UV insulation for superior protection
  • Quick Connect valves—no brazing, no special tools, no mess
  • Saves 7 installation steps compared to conventional line sets
  • Compatible with MRCOOL Universal Series & Central Ducted 36K/48K/60K

Product Specifications

  • Length: 15 ft.
  • Liquid Line: 3/8"
  • Suction Line: 3/4"
  • Pre-charged R-410A: 1.94 oz
  • Insulation: UV resistant Gator-Flextra
  • Weight: 19 lbs

Upgrade Your Workflow—Choose MRCOOL No-Vac Quick Connect

Don’t waste time on tedious, error-prone line set installations. With MRCOOL’s Pre-Charged No-Vac Quick Connect Line Set, you’ll finish jobs faster, reduce risk, and deliver consistent results that build your reputation. Install with confidence—choose MRCOOL.

PRODUCT SPECIFICATIONS:

Product Dimensions 5"W x 30"D x 36"H
Product Weight 19 lbs
Equipment Type Line Set
Color Copper
Color Family Bronze/Copper Metallic
Refrigerant Type 410A
Refrigerant Volume 1.94 oz
Line Set Length 15 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

You'll hear from us during business hours

Request an Installer

Need Professional Installation?

Get Connected with Certified HVAC Installers:

  • ✓ Pre-Vetted, Licensed & Insured Installers
  • ✓ 2-3 Local Options in Your Area
  • ✓ Specialists in Your Equipment Type
  • ✓ Competitive, Transparent Pricing
  • ✓ 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 15 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV15-3834

Most Frequently Asked Questions

"High ESP" stands for High External Static Pressure, meaning the MRCOOL MDUI18048060E air handler can maintain strong airflow even through long or restrictive ductwork, which allows it to efficiently serve larger homes or complex duct layouts without sacrificing comfort or performance.
A 54,000 BTU (4.5 Ton) air handler is designed to serve homes or spaces of approximately 2,000 to 2,700 square feet, depending on insulation, ceiling height, climate, and layout.
Yes, the MDUI18048060E air handler is compatible with MRCOOL Universal heat pump and condenser units.

Other Questions

The MRCOOL Universal High ESP 54,000 BTU Air Handler features a variable-speed blower, high external static pressure capability for long duct runs, compatibility with MRCOOL Universal heat pumps, multi-position installation, quiet and efficient operation, and smart thermostat compatibility.
Yes, professional installation is recommended for the MRCOOL MDUI18048060E air handler to ensure proper setup, safety, and compliance with local codes 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