CLICK HERE TO CONTACT US FOR CUSTOM QUOTES AND QUESTIONS
CLICK TO CALL US 737-738-6329 FOR ANY QUESTIONS
MRCOOL DIY Line Set R-454B - 1/4" x 3/8" Precharged Quick Connect Linesets
Â
Summary
The MRCOOL DIY 1/4" x 3/8" Line Sets are pre-charged refrigerant lines designed for easy installation with DIY 6K, 9K & 12K indoor units. These R-454B linesets feature quick-connect fittings and come in various lengths (16', 25', 35', and 50') to accommodate different installation requirements. The models with "C" designation include a DIY Pro Cable for added convenience. These white linesets with bronze/copper metallic accents are pre-charged with the correct amount of R-454B refrigerant for their respective lengths, making installation simpler for DIY enthusiasts.
Â
Key Features
- Pre-charged with R-454B refrigerant
- 1/4" liquid line and 3/8" suction line
- Quick-connect fittings for simple installation
- Models with "C" include DIY Pro Cable
- White with bronze/copper metallic color scheme
- Compatible with DIY 6K, 9K & 12K indoor units
- UV-resistant insulation
- Kink-resistant tubing
Â
| Model | DIY16-1438-O |
| UPC | 840255589154 |
| Line Set Length | 16 ft |
| Refrigerant Volume | 2.12 oz R-454B |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Net Weight | 7.9 lbs |
| Shipping Weight | 11.7 lbs |
| Shipping Dimensions | 28.94" x 4.92" x 28.94" |
| Model | DIY25-1438-O |
| UPC | 840255589161 |
| Line Set Length | 25 ft |
| Refrigerant Volume | 2.12 oz R-454B |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Net Weight | 10.4 lbs |
| Shipping Weight | 14.6 lbs |
| Shipping Dimensions | 32.09" x 4.92" x 32.09" |
| Model | DIY25-1438C-O |
| UPC | 840255589178 |
| Line Set Length | 25 ft |
| Refrigerant Volume | 2.12 oz R-454B |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Includes | DIY Pro Cable |
| Net Weight | 15.2 lbs |
| Shipping Weight | 19.4 lbs |
| Shipping Dimensions | 32.09" x 4.92" x 32.09" |
| Model | DIY35-1438C-O |
| UPC | 840255589185 |
| Line Set Length | 35 ft |
| Refrigerant Volume | 3.46 oz R-454B |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Includes | DIY Pro Cable |
| Net Weight | 17.6 lbs |
| Shipping Weight | 21.8 lbs |
| Shipping Dimensions | 32.09" x 4.92" x 32.09" |
| Model | DIY50-1438C-O |
| UPC | 840255589192 |
| Line Set Length | 50 ft |
| Refrigerant Volume | 6.07 oz R-454B |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Includes | DIY Pro Cable |
| Net Weight | 24 lbs |
| Shipping Weight | 29.5 lbs |
| Shipping Dimensions | 37.2" x 4.92" x 37.2" |
Compatibility
These 1/4" x 3/8" DIY Line Sets are specifically designed for use with:
- MRCOOL DIY 6K indoor units
- MRCOOL DIY 9K indoor units
- MRCOOL DIY 12K indoor units
Installation Notes
- Pre-charged with correct refrigerant amount for each lineset length
- Quick-connect fittings simplify installation process
- Models with "C" designation include DIY Pro Cable
- 3/8" suction line provides optimal performance for these units
- Designed for DIY installation (basic HVAC knowledge recommended)
Important Restrictions
This product cannot be shipped to: Guam (GU), Puerto Rico (PR), or U.S. Virgin Islands (VI).
Safety Information
PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
These linesets contain compressed gas and chemicals - handle with care and follow all safety instructions.
Loading accessories…
We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
SMS Delivery Notifications
If you opted into SMS notifications, we may send you order updates or delivery reminders by text message. Message frequency may vary. Message and data rates may apply. Text STOP to opt out. Text HELP for assistance.
For more details, see our Privacy Policy.
Loading technical data…
