Skip to content
March Sale Is Live! | Click Or Call 833-658-3387

MRCOOL 25 Feet Line Set With 1/4" x 1/2" For DIY 18K R454B DIY25-1412-O

By MRCOOL | Model: DIY25-1412-O | ID: 50246
No Sales Tax - in most states excluding California
Free Shipping - on items over $1000
Satisfaction Guarantee - or return within 30 Days
Most Products In Stock - Call or Text (833) 658-3387 for availability
$272.00 + SHIPPING
Product Details

MRCOOL 25 Feet Line Set With 1/4" x 1/2" For DIY 18K R454B DIY25-1412-O

The MRCOOL DIY25-1412-O is a 25-foot pre-charged lineset specifically designed for MRCOOL DIY 18K indoor units using eco-friendly R-454B refrigerant. Built for convenience and reliability, this lineset eliminates the need for vacuum pumps or refrigerant charging, making installation faster and more efficient for both homeowners and HVAC professionals.

Equipped with Quick Connect fittings, it allows for secure, tool-free connections between indoor and outdoor units. The corrosion-resistant copper tubing and durable insulation help maintain optimal thermal performance, reduce condensation, and support long-lasting system efficiency.

Key Features

  • 25 ft pre-charged copper lineset for MRCOOL® DIY systems
  • 1/4" liquid line and 1/2" suction line for efficient refrigerant flow
  • Pre-charged with environmentally friendly R-454B refrigerant
  • Compatible with MRCOOL DIY 18K indoor units
  • Quick Connect fittings provide fast, tool-free installation
  • High-quality insulation improves energy efficiency and prevents condensation
  • Corrosion-resistant construction for enhanced durability
  • Ideal for extending installation distance or replacing existing refrigerant lines

This pre-charged lineset is an excellent solution for expanding or upgrading MRCOOL DIY mini-split systems, delivering dependable performance with a simple, hassle-free installation.

View More MRCOOL Parts

Specifications

MRCOOL 25 Feet Line Set With 1/4" x 1/2" For DIY 18K R454B DIY25-1412-O

Brand MRCOOL SKU DIY25-1412-O
Product Type Pre-Charged Lineset Line Set Length 25 Feet
Liquid Valve Size 1/4" Suction Valve Size 1/2"
Refrigerant R-454B Connection Type Quick Connect
Compatibility MRCOOL DIY 18K Indoor Units Weight 12 lbs
Shipping

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at support@hvacstore.com or call (833) 658-3387.

Reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
Questions & Answers loading...

Our Real Customer Reviews

See what our customers have said about us.

Product Details

MRCOOL 25 Feet Line Set With 1/4" x 1/2" For DIY 18K R454B DIY25-1412-O

The MRCOOL DIY25-1412-O is a 25-foot pre-charged lineset specifically designed for MRCOOL DIY 18K indoor units using eco-friendly R-454B refrigerant. Built for convenience and reliability, this lineset eliminates the need for vacuum pumps or refrigerant charging, making installation faster and more efficient for both homeowners and HVAC professionals.

Equipped with Quick Connect fittings, it allows for secure, tool-free connections between indoor and outdoor units. The corrosion-resistant copper tubing and durable insulation help maintain optimal thermal performance, reduce condensation, and support long-lasting system efficiency.

Key Features

  • 25 ft pre-charged copper lineset for MRCOOL® DIY systems
  • 1/4" liquid line and 1/2" suction line for efficient refrigerant flow
  • Pre-charged with environmentally friendly R-454B refrigerant
  • Compatible with MRCOOL DIY 18K indoor units
  • Quick Connect fittings provide fast, tool-free installation
  • High-quality insulation improves energy efficiency and prevents condensation
  • Corrosion-resistant construction for enhanced durability
  • Ideal for extending installation distance or replacing existing refrigerant lines

This pre-charged lineset is an excellent solution for expanding or upgrading MRCOOL DIY mini-split systems, delivering dependable performance with a simple, hassle-free installation.

View More MRCOOL Parts

Specifications

MRCOOL 25 Feet Line Set With 1/4" x 1/2" For DIY 18K R454B DIY25-1412-O

Brand MRCOOL SKU DIY25-1412-O
Product Type Pre-Charged Lineset Line Set Length 25 Feet
Liquid Valve Size 1/4" Suction Valve Size 1/2"
Refrigerant R-454B Connection Type Quick Connect
Compatibility MRCOOL DIY 18K Indoor Units Weight 12 lbs
Shipping

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at support@hvacstore.com or call (833) 658-3387.

Reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)