DIY25-1412 MrCool DIY Accessories Lineset 25Ft 1/4 X 1/2, FOR DIY 9K, 12K & 18K INDOOR HVAC Lineset

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Regular price $233.00 USD
Regular price Sale price $233.00 USD
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Exclusively tailored for the HVAC professional, building supervisor, or homeowner aiming for excellence.

The MrCool DIY Accessories 25ft 1/4 x 1/2 HVAC Lineset seamlessly integrates with 9K, 12K, & 18K air conditioning systems. A testament to HVAC Delivered's commitment to quality and efficiency, this Lineset, suitable for indoor use, elevates the industry standard.

Choosing the MrCool DIY HVAC Lineset means opting for unparalleled durability and design. Its high-grade construction resists daily wear and tear, promising long-lasting performance. Crafted for compatibility with the R-410A refrigerant, it guarantees enhanced cooling efficiency. Installation complexities are a thing of the past, thanks to the MRCOOL DIY Coupler, ensuring an effortless setup without the need for a vacuum. Its design stands out as kink-resistant and leak-proof, ensuring consistent performance. Aesthetically pleasing with its elegant copper finish, it ensures a seamless blend with contemporary interiors.

Moreover, its protective features guard against environmental contaminants, ensuring a health-conscious choice. It's worth noting that this product isn't compatible with other MRCOOL products or third-party mini-split products.


  • Quick Connect Line Set — 9K, 12K & 18K Mini Split Systems
  • Refrigerant — R-410A
  • Will not work with other MRCOOL products or third-party mini split products.

Also available for DIY 24K & 36K Indoor.

 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. For more information go to:


✅Easy to install.
✅Kink resistant.
✅Leak proof.
✅No vacuum needed.
✅Connect line sets together using MRCOOL DIY Coupler.
✅Pre-charged with R-410A refrigerant.
✅Plugs into air handler and condenser without losing charge or being exposed to environmental contaminants.


Item Dimensions: 25ft in Length
Item Weight: 20 lbs
Item Color: White

Line-set Fitting Type: Quick-Connection
Liquid Line Size: 1/4"
Suction Line Size: 1/2"
Insulation: 3/4"

Batteries: No
Electronics: No
Chemicals: Yes
Aerosol: Yes
Compressed Gas: Yes

Proposition 65 Warning: Yes
Restricted States: GU;PR;VI


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