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DIYCOUPLER-1412K75C MrCool HVAC Accessories MC-5 Air Coupler, 75 Ft. 3/4" Insulation

Regular price $372.00 USD
Regular price Sale price $372.00 USD
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Benefits & Features

✅ Energy-Efficient Connectivity: Seamless connection for MrCool multi-zone systems with a 75' reach per zone.
✅ Safety First: 3/4-inch insulation sleeve prevents condensation, ensuring product longevity.
✅ Versatile Compatibility: Compatible with 9K, 12K, and 18K Airhandler line sets.
✅ Complete Package: Includes a 75-foot MC-5 Cable for air handler to condenser connection.
✅ Transparency: Proposition 65 warning for customer awareness about potential health risks.


Item Dimensions: 11"W x 22.5"D x 4.5"H
Item Weight: 6.39 lbs
Item Color: Copper
Unit Type: Accessories
Equipment Type: Coupler

Line Set Use: Mr. Cool DIY ONLY
Line Set Size (in.): 1/4 x 1/2
Liquid Connection Size (in.): 1/4"
Suction (Gas) Connection Size (in.): 1/2"
Communication Wire Included (ft.): 75'

Proposition 65 Warning: Yes

At HVAC Delivered, we present the MrCool HVAC Accessories Coupler, a vital component for intricate HVAC installations. Expertly designed for efficiency, this coupler seamlessly connects two line sets, offering a maximum reach of 75 ft. The 3/4-inch insulation sleeve ensures safety, preventing condensation and promoting longevity. Transparent about Proposition 65 guidelines, this coupler includes a 75-foot MC-5 Cable for a hassle-free air handler to condenser connection.


  • MrCool — Universal Quick Connect Line Set (9K, 12K, or 18K DIY series)

Warning: This product can expose you to chemicals including Lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm:


Install Manual,

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Frequently Asked Questions about the DIYCOUPLER-1412K75C MrCool HVAC Accessories MC-5 Air Coupler, 75 Ft. 3/4" Insulation

What is an Air Coupler in HVAC systems?

An Air Coupler in HVAC systems is a connector used to join two line sets, facilitating the efficient flow of air between the air handler and the condenser.

Why is an Air Coupler important in HVAC installations?

The Air Coupler plays a crucial role in ensuring a seamless connection between line sets, enabling the proper functioning of HVAC systems, especially in larger installations.

What is the maximum reach of the Air Coupler per zone?

The Air Coupler offers a maximum reach of 75 feet per zone, making it versatile for various installation scenarios.

Does the coupler include insulation features?

Yes, the coupler comes with a 3/4-inch insulation sleeve, preventing condensation and ensuring the safety and longevity of the HVAC system.

What safety features does the Air Coupler have?

The Air Coupler includes a Proposition 65 warning, ensuring transparency about potential health risks and adhering to safety guidelines.