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MRCOOL 25 Feet Line Set With 1/4" x 3/8" For DIY 6K 9K 12K R454B

By MRCOOL | Model: DIY25-1438-O | ID: 50245
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$264.00 + SHIPPING
Product Details

MRCOOL 25 Feet Line Set With 1/4" x 3/8" For DIY 6K 9K 12K R454B DIY25-1438-O

The MRCOOL DIY25-1438-O is a 25-foot pre-charged line set engineered for fast and simple installation with MRCOOL® DIY 6K, 9K, and 12K indoor units that utilize eco-friendly R-454B refrigerant. Designed to provide a clean and secure HVAC connection, this lineset eliminates the need for vacuum pumps or refrigerant handling, making it ideal for both homeowners and HVAC professionals.

Featuring Quick Connect fittings, this lineset ensures tight, reliable seals without requiring specialized tools. The pre-charged copper tubing and durable insulation deliver consistent thermal performance, improved energy efficiency, and dependable operation across a variety of installation environments.

Key Features

  • 25 ft pre-charged copper lineset for MRCOOL® DIY systems
  • 1/4" liquid line and 3/8" suction line for efficient refrigerant transfer
  • Pre-charged with environmentally friendly R-454B refrigerant
  • Compatible with MRCOOL DIY 6K, 9K, and 12K indoor units
  • Quick Connect fittings enable fast, tool-free installation
  • High-quality insulation improves thermal performance and reduces condensation
  • Corrosion-resistant construction for long-lasting durability
  • Ideal for extending installation distance or replacing an existing lineset

Perfect for expanding or upgrading your MRCOOL® mini-split system, the DIY25-1438-O delivers a flexible, user-friendly solution that supports professional-grade results with minimal effort.

View More MRCOOL Parts

Specifications

MRCOOL 25 Feet Line Set With 1/4" x 3/8" For DIY 6K 9K 12K R454B DIY25-1438-O

Brand MRCOOL SKU DIY25-1438-O
Product Type Pre-Charged Lineset Line Set Length 25 Feet
Liquid Valve Size 1/4" Suction Valve Size 3/8"
Refrigerant R-454B Connection Type Quick Connect
Compatibility MRCOOL DIY 6K, 9K & 12K Indoor Units Weight 10 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.

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Product Details

MRCOOL 25 Feet Line Set With 1/4" x 3/8" For DIY 6K 9K 12K R454B DIY25-1438-O

The MRCOOL DIY25-1438-O is a 25-foot pre-charged line set engineered for fast and simple installation with MRCOOL® DIY 6K, 9K, and 12K indoor units that utilize eco-friendly R-454B refrigerant. Designed to provide a clean and secure HVAC connection, this lineset eliminates the need for vacuum pumps or refrigerant handling, making it ideal for both homeowners and HVAC professionals.

Featuring Quick Connect fittings, this lineset ensures tight, reliable seals without requiring specialized tools. The pre-charged copper tubing and durable insulation deliver consistent thermal performance, improved energy efficiency, and dependable operation across a variety of installation environments.

Key Features

  • 25 ft pre-charged copper lineset for MRCOOL® DIY systems
  • 1/4" liquid line and 3/8" suction line for efficient refrigerant transfer
  • Pre-charged with environmentally friendly R-454B refrigerant
  • Compatible with MRCOOL DIY 6K, 9K, and 12K indoor units
  • Quick Connect fittings enable fast, tool-free installation
  • High-quality insulation improves thermal performance and reduces condensation
  • Corrosion-resistant construction for long-lasting durability
  • Ideal for extending installation distance or replacing an existing lineset

Perfect for expanding or upgrading your MRCOOL® mini-split system, the DIY25-1438-O delivers a flexible, user-friendly solution that supports professional-grade results with minimal effort.

View More MRCOOL Parts

Specifications

MRCOOL 25 Feet Line Set With 1/4" x 3/8" For DIY 6K 9K 12K R454B DIY25-1438-O

Brand MRCOOL SKU DIY25-1438-O
Product Type Pre-Charged Lineset Line Set Length 25 Feet
Liquid Valve Size 1/4" Suction Valve Size 3/8"
Refrigerant R-454B Connection Type Quick Connect
Compatibility MRCOOL DIY 6K, 9K & 12K Indoor Units Weight 10 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

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