Product overview
MRCOOL DIY 5th Gen 25ft 1/4" x 1/2" Pre-Charged Quick Connect Lineset (For 18K)
These linesets connect the condenser outside to the indoor air handler for the MRCOOL 5th Gen DIY Single Zone Series 18K BTU systems. The MRCOOL DIY Quick Connect Line Set is pre-loaded with R-454B refrigerant. It uses Quick Connect Fittings that are specifically designed for installing 18K units.
Specifications:
| BRAND NAME | MRCOOL |
| SERIES | DIY Line Set - R-454B |
| MODEL | DIY25-1412-O |
| GTIN | 840255587099 |
| UPC | 840255587099 |
| UNIT TYPE | Accessories |
| EQUIPMENT TYPE | R-454B Charged Line Set |
| SHORT DESCRIPTION |
25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor - R454B
|
| COLOR | White |
| COLOR FAMILY | Bronze/Copper Metallic |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 2.12 |
| LINE SET LENGTH | 25 ft |
| LINESET FITTING TYPE | Quick-Connection |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | 1/2 |
| REGISTERED WARRANTY | N/A |
| HAS BATTERIES | No |
| CONTAINS ELECTRONICS | No |
| CONTAINS CHEMICALS | Yes |
| CONTAINS AEROSOL | Yes |
| CONTAINS COMPRESSED GAS | Yes |
| PROPOSITION 65 WARNING | Yes |
| RESTRICTED STATES | GU;PR;VI |
| NET WEIGHT (LBS) | 12.1 |
| GROSS DEPTH (IN) | 32.09 |
| GROSS HEIGHT (IN) | 4.92 |
| GROSS WIDTH (IN) | 32.09 |
| GROSS WEIGHT (LBS) | 16.5 |
In-stock systems ship fast and free with curbside freight delivery, typically arriving in 4–10 days. Please inspect each box at delivery and note any damage on the receipt before signing — it keeps any freight claim quick and simple.
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At a glance
Tech specs
| Zones / rooms | 1 Zone |
|---|---|
| Line set | 25 Ft |
| Mount type | Ducted |
| Installation | DIY |
| Brand | MRCOOL |
Sizing in doubt? Our HVAC experts confirm capacity for your rooms before you order — free. Ask us about utility rebates for high-efficiency heat pumps in your area.
