How To Unclog Ac Drain Line With Shop Vac. 3 steps to unclog your condensate drain line what you’ll need: A hose that can reach your drain line (if you don’t have a wet/dry vac) step 1:
After turning off your hvac system, locate the cleaning port so you can begin to unclog the drain line. Attach the end of your wet/dry vacuum to the end of the ac drain line.
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Attach the wet/dry vac hose to the end of the drain line. But once a clog forms, you can’t rely on the bleach method to do much of anything.