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High-quality Mrcool 75ft Line Set Coupler Kit For Diy Single Zone And Multizone 9k, 12k & 18k Air Handlers - 1/4" X 1/2" Enjoy 45% Off [7uSydhKG]

$54.99 $175.99 -69%

MRCOOL 75ft Line Set Coupler Kit: Extend Your HVAC SystemAre you looking to expand your HVAC system's reach? The MRCOOL 75ft Line Set Coupler Kit is the perfect solution for DIYers and professionals alike. This kit allows you to connect three line se

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High-quality Mrcool 75ft Line Set Coupler Kit For Diy Single Zone And Multizone 9k, 12k & 18k Air Handlers - 1/4" X 1/2" Enjoy 45% Off [7uSydhKG]

MRCOOL 75ft Line Set Coupler Kit: Extend Your HVAC System

Are you looking to expand your HVAC system's reach? The MRCOOL 75ft Line Set Coupler Kit is the perfect solution for DIYers and professionals alike. This kit allows you to connect three line sets together, extending the length of your lineset to accommodate larger spaces. With the flexibility to combine three 16ft linesets, three 25ft linesets, or a mix of both, this coupler kit offers unparalleled adaptability. Say goodbye to the limitations of shorter linesets and hello to a more efficient and effective HVAC system.
  • Flexible Connection: Connect three line sets to extend the length of your lineset.
  • DIY-Friendly: Simple installation process for DIYers and professionals.
  • Adaptable: Combine 16ft and 25ft linesets to fit your specific needs.

Product Details and Specifications

The DIYCOUPLER-1412K75 kit includes two DIYCOUPLER-14 and two DIYCOUPLER-12 couplers, each with a 1/4" x 1/2" connection. These couplers are designed to work seamlessly with 9K, 12K, and 18K BTU indoor wall units, ensuring compatibility with a wide range of HVAC systems. The kit also comes with 75 ft of communication wire, providing ample length for your installation needs. For those with 24,000 or 36,000 BTU indoor wall units, we offer a separate coupler kit to ensure a perfect fit.
  • Coupler Kit Details: Includes two DIYCOUPLER-14 and two DIYCOUPLER-12 couplers.
  • Connection Size: 1/4" x 1/2" couplers for easy installation.
  • Communication Wire: 75 ft of wire for extended lineset length.

Practical Uses and Benefits

The MRCOOL 75ft Line Set Coupler Kit is an invaluable tool for anyone looking to expand their HVAC system. Whether you're upgrading your existing system or installing a new one, this kit offers numerous benefits. Its flexibility allows you to customize your HVAC setup to fit your specific space and needs. With the ability to connect three line sets, you can achieve optimal cooling and heating coverage throughout your home or office. This kit is perfect for DIYers who want to take control of their HVAC system, as well as professionals who need a reliable and easy-to-use solution.
  • Customizable Setup: Extend your HVAC system to fit your specific space.
  • DIY-Friendly: Simple installation process for easy upgrades.
  • Professional Solution: A reliable and efficient tool for HVAC professionals.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

It's a very focused product that does one thing perfectly.

- Focused_User.

January 22, 2026

Absolutely no complaints!

This device is remarkably powerful for its size.

- Kendall R..

January 22, 2026

Absolutely no complaints!

Far better than other similar products I've tried.

- Kimberly H..

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