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MrCool 25ft 1/4 x 1/2 Lineset for DIY Mini-Split Systems - R454B

Name: MrCool 25ft 1/4 x 1/2 Lineset for DIY Mini-Split Systems - R454B
Brand: MRCOOL DIY
SKU: DIY25-1412-O
Price: 272.0 USD
Availability: InStock

Sku: DIY25-1412-O

$272.00

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Perfect Companions

Description

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

Transform your home comfort with confidence using our premium 25ft 1/4 x 1/2 Lineset. Designed specifically for DIY 9K, 12K, and 18K indoor units, this lineset ensures optimal performance and efficiency for your R454B refrigerant system. Experience the satisfaction of a perfectly installed mini-split, knowing you've chosen a durable and reliable component that will keep your space comfortable for years to come. Say goodbye to complex installations and hello to simple, effective climate control.

Why Choose Generation Eco Store for Your Lineset?

At Generation Eco Store, we empower your sustainable choices by providing high-quality, eco-conscious products. We meticulously select brands that align with our commitment to efficiency and environmental responsibility. Our expert team ensures you have the right components for a successful and lasting home comfort solution.

Specification	Values
Length	25ft
Diameter (Liquid Line)	1/4 inch
Diameter (Suction Line)	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"

DIY Installation Made Easy

This lineset simplifies DIY AC setup, saving you time and money on professional installation for your 9K, 12K & 18K units.

Perfect Fit for Your Unit

Designed specifically for DIY 9K, 12K & 18K indoor units, ensuring reliable performance and hassle-free connection with R454B refrigerant.

Durable & Reliable Cooling

Trust this lineset for dependable, efficient air conditioning, providing consistent comfort for years with its robust construction.

See it in Action

Have a Question? We Have Answers

What is the length of this lineset?

This lineset is 25 feet long.

What are the dimensions of the lineset?

The lineset has dimensions of 1/4 inch by 1/2 inch.

What refrigerant is this lineset compatible with?

This lineset is designed for use with R454B refrigerant.

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.