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MrCool 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor Units - R454B

Name: MrCool 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor Units - R454B
Brand: MRCOOL DIY
SKU: DIY16-1412-O
Price: 239.0 USD
Availability: InStock

Sku: DIY16-1412-O

$239.00

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Perfect Companions

Description

16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor - R454B: The Foundation for Your Sustainable Comfort

Imagine a home where comfort meets efficiency, where every breath of cool air is a testament to your smart choices. This 16ft 1/4 x 1/2 Lineset is the essential connection that makes your DIY mini-split installation seamless and reliable. Designed for 9K, 12K, and 18K indoor units using R454B refrigerant, it ensures optimal performance, helping you create a greener living space without compromising on comfort. Feel the satisfaction of a job well done and the peace of mind that comes with a high-quality, eco-conscious investment.

Choose Generation Eco Store for a Seamless Sustainable Journey

At Generation Eco Store, we empower you to make informed decisions for a sustainable future. We meticulously select products like this lineset, ensuring they meet rigorous standards for quality and environmental responsibility. Our commitment to transparent information and exceptional support helps you build a comfortable, eco-friendly home with confidence.

Specification	Values
Length	16 feet
Line Sizes	1/4 inch, 1/2 inch
Refrigerant Compatibility	R454B
Compatible BTU	9K, 12K, 18K

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"

Easy DIY Installation

This lineset is designed for simple, do-it-yourself air conditioning kit setups, saving you time and professional installation costs.

Broad Compatibility

Works seamlessly with 9K, 12K, and 18K indoor units, ensuring a perfect fit for various DIY and professional AC systems.

Eco-Friendly Refrigerant

Utilizes R454B refrigerant, a more environmentally conscious choice for efficient and responsible cooling.

See it in Action

Have a Question? We Have Answers

What is this lineset compatible with?

This 16ft lineset is designed for DIY 9K, 12K & 18K indoor units that use R454B refrigerant. It ensures proper connection and function between your indoor and outdoor mini-split components.

What are the dimensions of the lineset?

The lineset is 16 feet long and has dimensions of 1/4 inch and 1/2 inch for the two copper lines. These sizes are standard for the specified DIY mini-split capacities.

What is the purpose of a lineset?

A lineset is a crucial component that connects the indoor and outdoor units of a mini-split air conditioning system. It allows the refrigerant to circulate, transferring heat and enabling the system to cool or heat your space.

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.