Quote:
Originally Posted by kcrazorbackfan
Your drain should have a shut off float that shuts off the A/C if the drain becomes clogged; ours happened while gone for a few days. Poured hot water and vinegar into the drain, let it sit for about 5 minutes then I took my wet/dry shop vac and sucked all the gunk out from the outside end of the drain line.
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How old is you’re house? Unless the float in the catch tray inside the unit I see none on my trane xr12.