What's in this package
Everything shown here ships as part of this package. Select a piece to see its description, specs and manuals.
Description
This 25 ft. flared copper line set is sized 1/4" x 3/8" and built for MRCOOL Olympus and Advantage series 9K indoor air handlers.
Highlights
- Flared copper line set, sized 1/4" x 3/8" for connecting the indoor and outdoor units.
- 25 ft. length — the listed line set length for this 9K Olympus and Advantage series compatibility.
- Copper (bronze/copper metallic) construction.
- Compatible only with MRCOOL Olympus and Advantage series systems.
Details
Avermont Direct is an authorized MRCOOL dealer. This 25 ft. flared line set is compatible only with MRCOOL Olympus and Advantage series 9K indoor air handlers — confirm your air handler model before ordering, since it is not interchangeable with other systems. As with any refrigerant line set, installation should be performed by a qualified HVAC professional.
Need Help?
If you have questions about this product before you order, our team is happy to help.
Free shipping on orders over $200.
Email: support@avermontdirect.com
Phone: +1 (844) 455-3695
Hours: Monday–Friday, 9AM–5PM
Live Chat: Available 24/7
| Compatible With | MRCOOL Olympus & Advantage Series 9K indoor air handlers |
| Line Set Length | 25 ft (max listed length) |
| Fitting Type | Flared |
| Liquid Line Fitting / Size | 3/8" / 1/4" |
| Suction Line Fitting / Size | 1/2" / 3/8" |
| Color | Copper (Bronze/Copper Metallic) |
| Packaged Dimensions | 29" D x 3-1/2" H x 17" W |
| Weight | 17 lbs |
| CA Prop 65 Warning | Yes |
- Shipping is restricted to GU, PR, and VI — confirm availability before ordering if shipping to one of these territories.
Shipping
- Orders of $200 or more ship free within the contiguous United States. Orders under $200 ship for a flat $9.99.
- In-stock items (shown as “In Stock” on the product page) ordered before 1:00 PM Pacific Time on a business day typically ship within 1–3 business days. Delivery usually takes 3–7 business days after shipping.
- Backorder, Partial Backorder and Custom Order items are not covered by the 1–3 business day processing time. Their estimated restock or ship time is shown in the stock status on the product page before you order.
- Large items ship by freight and are typically delivered curbside. Smaller items ship by ground carrier such as FedEx or UPS.
- We ship to the 48 contiguous states. We do not ship to Alaska, Hawaii or P.O. boxes.
- Please inspect your delivery on arrival and report any concealed damage or missing parts within 24 hours.
Returns
- Returns can be requested within 30 days of delivery. Items must be unused, uninstalled, in new resalable condition and in their original packaging, including the pallet if delivered on one.
- Approved returns are subject to a 15% restocking fee, and return shipping costs are the customer’s responsibility unless the return is the result of our error.
- Installed or used products, custom and made-to-order items, clearance or final-sale items, and replacement parts and accessories are not eligible for return.
Full Shipping Policy Full Return Policy Questions? +1 (844) 455-3695


