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The MRCOOL ProDirect HHK-10 is a heat kit designed to upgrade heating capabilities for MRCOOL systems. The unit provides auxiliary electric heat and is suitable for copper conductors. It includes built-in overheat protection for safety.
This heat kit is essential for expanding the heating functionality of your existing MRCOOL ProDirect systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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