Uploaded September 2022 | Updated September 2026, 2 weeks ago

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Do you have a MRCOOL® DIY® system but your 25ft line sets aren't long enough? Then this the MRCOOL® Coupler Kit is the solution for you. In this video we go over how to connect the couplers and the line sets. Plus, we show how to install the longer DIY Pro Cable.

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MRCOOL® - Comfort Made Simple.