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MRCOOL 3/8" x 3/4" No-Vac Pre-Charged Line Set for Central Ducted VersaPro® & Hyper Heat 2nd Gen (R-454B Refrigerant)

SKU NV15-3834-O
by MRCOOL
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Original Price $350.00
Current Price $334.00

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Description

MRCOOL® 3/8" x 3/4" No‑Vac Pre‑Charged Line Set – Central Ducted VersaPro® & Hyper Heat 2nd Gen (R‑454B Refrigerant)

Designed for use with MRCOOL® Central Ducted VersaPro® and Hyper Heat 2nd Gen systems, this No‑Vac Pre‑Charged Line Set makes installation faster, cleaner, and easier. Pre‑charged with R‑454B refrigerant and hermetically sealed, it eliminates the need for a vacuum pump or refrigerant handling — making it perfect for both professional installers and advanced DIYers.

Key Features

  • Compatible Systems — Works with MRCOOL® Central Ducted VersaPro® (2nd Gen) and Hyper Heat (2nd Gen) units.
  • Pre‑Charged with R‑454B — Factory‑charged for quick, hassle‑free installation.
  • No Vacuum Pump Needed — Quick Connect® fittings eliminate the need for special tools.
  • Durable Construction — Heavy‑duty insulation and copper tubing for long‑lasting performance.
  • Available Lengths — Common sizes include 15 ft, 25 ft, and 35 ft to fit various installation needs.
  • Leak‑Proof Design — Hermetically sealed to prevent contamination and maintain refrigerant purity.

Why Installers Love It
This line set is installer‑approved for its time‑saving design, reduced labor costs, and reliable performance. Perfect for both new installations and system replacements.

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® 3/8" x 3/4" No‑Vac Pre‑Charged Line Set – Central Ducted VersaPro® & Hyper Heat 2nd Gen (R‑454B Refrigerant)

Designed for use with MRCOOL® Central Ducted VersaPro® and Hyper Heat 2nd Gen systems, this No‑Vac Pre‑Charged Line Set makes installation faster, cleaner, and easier. Pre‑charged with R‑454B refrigerant and hermetically sealed, it eliminates the need for a vacuum pump or refrigerant handling — making it perfect for both professional installers and advanced DIYers.

Key Features

  • Compatible Systems — Works with MRCOOL® Central Ducted VersaPro® (2nd Gen) and Hyper Heat (2nd Gen) units.
  • Pre‑Charged with R‑454B — Factory‑charged for quick, hassle‑free installation.
  • No Vacuum Pump Needed — Quick Connect® fittings eliminate the need for special tools.
  • Durable Construction — Heavy‑duty insulation and copper tubing for long‑lasting performance.
  • Available Lengths — Common sizes include 15 ft, 25 ft, and 35 ft to fit various installation needs.
  • Leak‑Proof Design — Hermetically sealed to prevent contamination and maintain refrigerant purity.

Why Installers Love It
This line set is installer‑approved for its time‑saving design, reduced labor costs, and reliable performance. Perfect for both new installations and system replacements.

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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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 3/8" x 3/4" No-Vac Pre-Charged Line Set for Central Ducted VersaPro® & Hyper Heat 2nd Gen (R-454B Refrigerant)

Most Frequently Asked Questions

You do not need to vacuum the lines on MRCOOL DIY mini split systems with pre-charged line sets, but vacuuming is required for standard (non-pre-charged) installations.
MRCOOL AC systems are manufactured by Midea Group, a leading global HVAC and appliance manufacturer based in China.
MRCOOL mini split systems primarily use R-410A refrigerant, which is a common, environmentally friendly refrigerant for modern HVAC systems.

Other Questions

The MRCOOL Versa Pro is a versatile, multi-position air handler designed for flexible installation and efficient heating and cooling when paired with MRCOOL heat pump or AC systems.
The lifespan of a MRCOOL mini split is typically 12 to 15 years with proper installation and regular maintenance.

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