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Crazy Price 3/8" & 5/8" Mrcool Diy Coupler Kit - No Communication Wire For 24k & 36k Mini-split Air Handlers - Us Warehouse [kCTdMSmR]

$40.99 $131.99 -69%

Effortless Mini-Split Line Extension with MRCOOL DIY Coupler Kit Upgrade your MRCOOL mini-split system with ease using the 3/8" & 5/8" MrCool DIY Coupler Kit. This versatile kit is designed to extend your line sets effortlessly, perfect for 24k and 3

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Crazy Price 3/8" & 5/8" Mrcool Diy Coupler Kit - No Communication Wire For 24k & 36k Mini-split Air Handlers - Us Warehouse [kCTdMSmR]

Effortless Mini-Split Line Extension with MRCOOL DIY Coupler Kit

Upgrade your MRCOOL mini-split system with ease using the 3/8" & 5/8" MrCool DIY Coupler Kit. This versatile kit is designed to extend your line sets effortlessly, perfect for 24k and 36k BTU mini-split air handlers. Say goodbye to the need for additional communication wire, as this kit includes couplers only, ensuring a secure, leak-free connection for optimal performance.

Compatibility and Specifications

The MrCool DIY Coupler Kit is fully compatible with both R-410A and R-454B MRCOOL systems, accommodating both the latest 5th Gen R-454B and older 4th Gen R-410A models. This means you can extend your system without worrying about compatibility issues. The kit includes couplers that are easy to install, requiring no vacuum or special tools, making it a DIY-friendly solution.

Extend Your Comfort and Flexibility

Whether you're looking to expand your current setup or upgrade to the latest generation of MRCOOL systems, this coupler kit is the ideal choice. It offers a simple, effective, and reliable solution for extending your pre-charged line sets, ensuring you can enjoy a comfortable and energy-efficient cooling experience. With its secure, leak-free connections and user-friendly installation process, this kit is perfect for homeowners, DIY enthusiasts, and professionals alike.

What Our Customers Say

February 2, 2026

Absolutely no complaints!

Absolutely fantastic product, exceeded all expectations.

- John S..

February 2, 2026

Absolutely no complaints!

The product is a solid performer with great features.

- Wes Brown.

February 2, 2026

Absolutely no complaints!

This is an efficient, no-nonsense product.

- NoNonsense.

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