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Description
MRCOOL® Pre-Charged Line Set for 2nd Gen Systems (R-454B | DIY Installation)MRCOOL No Vac Pre Charged Line Set 3 8" x 3 4" for Universal 2nd Gen, Hyper Heat 2nd Gen, VersaPro 2nd Gen & Cased A Coil Systems Complete your MRCOOL central ducted HVAC installation with the MRCOOL No Vac Pre Charged Line Set, engineered specifically for R 454B refrigerant systems. Designed for compatibility with MRCOOL Universal 2nd Gen, Hyper Heat 2nd Gen, VersaPro 2nd Gen, and Pre Charged Cased A Coil systems, this factory pre charged line set
MRCOOL® No-Vac® Pre-Charged Line Set – 3/8" x 3/4" for Universal® 2nd Gen, Hyper Heat 2nd Gen, VersaPro® 2nd Gen & Cased A-Coil Systems
Complete your MRCOOL® central ducted HVAC installation with the MRCOOL® No-Vac® Pre-Charged Line Set, engineered specifically for R-454B refrigerant systems. Designed for compatibility with MRCOOL® Universal® 2nd Gen, Hyper Heat 2nd Gen, VersaPro® 2nd Gen, and Pre-Charged Cased A-Coil systems, this factory pre-charged line set delivers a faster, cleaner, and easier installation process without the need for vacuum pumps or refrigerant charging.
Featuring MRCOOL’s industry-leading No-Vac® Quick Connect technology, these pre-charged line sets are ideal for both professional HVAC installers and advanced DIY homeowners looking for a reliable and efficient HVAC installation solution.
Available Line Set Lengths
- 15-Foot No-Vac® Pre-Charged Line Set
- 25-Foot No-Vac® Pre-Charged Line Set
- 35-Foot No-Vac® Pre-Charged Line Set
- 50-Foot No-Vac® Pre-Charged Line Set
Need additional length? MRCOOL® DIY Couplers allow you to safely connect multiple line sets together for custom installation configurations. Because apparently houses refuse to place condensers exactly 15 feet away from air handlers like civilized structures.
Key Features & Benefits
- Compatible with MRCOOL® 2nd Gen Systems – Designed for use with MRCOOL® Universal® 2nd Gen Heat Pumps, Hyper Heat 2nd Gen systems, VersaPro® 2nd Gen systems, and Pre-Charged Cased A-Coils.
- Pre-Charged with R-454B Refrigerant – Factory sealed and ready for installation with no additional refrigerant charging required.
- No-Vac® Quick Connect Technology – Eliminates the need for vacuuming, gauges, or specialty HVAC charging tools during installation.
- Multiple Length Options Available – Choose from 15', 25', 35', or 50' line sets to fit your installation needs.
- DIY Extendable Design – Compatible with MRCOOL® DIY Couplers for extended custom-length installations.
- 3/8" Liquid Line & 3/4" Suction Line – Properly sized for optimized refrigerant flow and maximum system efficiency.
- Durable Copper Construction – Manufactured with corrosion-resistant copper tubing and premium insulation for long-term reliability.
- Eco-Friendly Refrigerant Compatibility – Supports R-454B refrigerant, a lower global warming potential (GWP) refrigerant designed to meet modern EPA efficiency standards.
Important Compatibility Notice
For R-454B Systems Only – This line set is specifically engineered for MRCOOL® R-454B refrigerant-based systems including Universal® 2nd Gen, Hyper Heat 2nd Gen, VersaPro® 2nd Gen, and compatible Cased A-Coils.
Not Compatible with R-410A Systems – Do not use with older MRCOOL® systems or any HVAC equipment requiring R-410A refrigerant. Improper refrigerant compatibility may cause system damage and void manufacturer warranty coverage.
Why Choose MRCOOL® No-Vac® Line Sets?
- 100% genuine MRCOOL® factory-tested product
- Pre-charged and sealed for simplified installation
- No vacuuming or refrigerant handling required
- Ideal for DIY-friendly installations and professional HVAC applications
- Engineered for reliable performance and leak-resistant operation
- Designed to work seamlessly with MRCOOL® R-454B systems
Buy from an Authorized MRCOOL® Dealer
When you purchase from MRCOOL HVAC Direct, you are buying from an authorized MRCOOL® dealer committed to providing genuine equipment, knowledgeable support, and dependable service.
- 100% Genuine MRCOOL® Products – No aftermarket replicas or unauthorized resellers
- Expert HVAC Support – Assistance with compatibility, installation, and system pairing
- Fast & Reliable Shipping – Quick order processing and nationwide delivery
- Competitive Pricing – Exceptional value on genuine MRCOOL® HVAC accessories and equipment
Upgrade Your MRCOOL® System Today
Choose the MRCOOL® No-Vac® Pre-Charged Line Set for a faster, cleaner, and more reliable installation experience. Designed specifically for MRCOOL® Universal® 2nd Gen, Hyper Heat 2nd Gen, VersaPro® 2nd Gen, and compatible Cased A-Coil systems using R-454B refrigerant, this line set helps ensure maximum performance, efficiency, and installation convenience.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy