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MrCool 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor Units - R454B

Name: MrCool 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor Units - R454B
Brand: MRCOOL DIY
SKU: DIY25-1412C-O
Price: 436.0 USD
Availability: InStock

Sku: DIY25-1412C-O

$436.00

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Perfect Companions

Description

25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor w/ DIY Pro Cable - R454B: Achieve Perfect Climate Control with Ease

Transform your home into a haven of comfort with our 25ft 1/4 x 1/2 Lineset. Designed specifically for DIY 9K, 12K & 18K Indoor units and featuring the innovative DIY Pro Cable, this lineset simplifies your HVAC installation. Experience the satisfaction of a professional-grade setup without the hassle, ensuring optimal performance and energy efficiency for your mini-split system. Enjoy consistent, comfortable temperatures year-round and take pride in a smart, sustainable choice for your home.

Why Choose Generation Eco Store for Your Lineset?

At Generation Eco Store, we understand your commitment to smart, sustainable living. We carefully curate products like this high-quality lineset to ensure they meet our rigorous standards for performance and environmental responsibility. Our expert support team is here to guide you, making your DIY installation seamless and empowering you to create a more efficient and comfortable home with confidence.

Specification	Values
Length	25ft
Line Sizes	1/4 x 1/2
Compatibility	DIY 9K, 12K & 18K Indoor Units
Features	Integrated DIY Pro Cable, R454B Refrigerant Ready

Specifications & Dimension

What's in the Box?

Guides & More

Shipping Policy

Free & Fast Shipping
We offer free shipping on most MRCOOL DIY Lineset orders across the lower 48 states, using the most reliable freight partners. Orders typically ship within 5 business days, with tracking provided within 24 hours of dispatch.
Tracking & Delivery Scheduling
You’ll receive an order confirmation email immediately after placing your order. Tracking details are usually shared within 3–5 business days. Please review your shipping address carefully—corrections after shipment may incur a fee.
Important Shipping Notes
Ensure your location can accommodate freight deliveries. Additional charges may apply for access-restricted areas, remote locations, or deliveries requiring special transport (e.g., ferry or plane).

See our full Shipping Policy here

Return Policy

Hassle-Free Returns
We offer a 30-day return window from the date you receive your item. Items must be unused, in original packaging, and accompanied by proof of purchase. Some items may incur a 15–25% restocking fee, especially larger freight-shipped products. Cancellations made before shipping will incur a 3-5% processing fee.
Damaged or Special Orders
Please report any damages within 24 hours of delivery. Installed or opened items may not be returnable. Select brands such as Victron and Pytes may be non-returnable based on manufacturer policies.

See our full Return Policy here

"What we'd tell a friend"

DIY-Friendly Install

This lineset is designed for easy DIY installation with 9K, 12K, and 18K indoor units, saving you time and professional costs.

Reliable Performance

Get consistent, efficient cooling with a high-quality lineset engineered for R454B refrigerant, ensuring optimal AC operation.

Complete Kit

The included DIY Pro Cable simplifies connections, making your air conditioning setup hassle-free and complete.

See it in Action

Have a Question? We Have Answers

What DIY systems are compatible with this lineset?

This lineset is designed for DIY 9K, 12K, and 18K indoor units. It is compatible with systems using R454B refrigerant.

What is the length of this lineset?

This lineset is 25 feet long.

Does this lineset include a DIY Pro Cable?

Yes, this lineset comes with a DIY Pro Cable.

What is the warranty on Lineset?

Warranty for product varies based on the brand and the product. For some of the warranties, https://generationecostore.com/pages/warranty view OEM warranty policy. For any questions, please reach out to us at hello@generationecostore.com

Can I return the Lineset if I'm not satisfied?

We offer a 30-day return window from the date you receive your item. To be eligible for a return, the item must be unused, in its original packaging, and include proof of purchase.