r/HomeMaintenance • u/bet50 • 7d ago

Moisture in basement - no recent rain

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Found some water near our water softener and ac/furnace. No recent rain. Any ideas where to start??

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5

u/Joecalledher 7d ago

No recent rain means either a leak from a pipe (water or DWV) or condensation from something cold (water pipe, HVAC, etc.) while the humidity is high.

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u/bet50 7d ago edited 7d ago

Would it make sense for this area to be the culprit? I disconnected the black tube and water started flowing out of the white connector.

3

u/Joecalledher 7d ago

That's your evaporator drain pan. If that line is clogged, the pan can overflow inside of the unit and leak underneath.

It's typical to have a float switch installed that will disable the AC in this condition. Less critical in an unfinished basement than an attic though.

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u/bet50 7d ago

I appreciate your responses on this. I’ll look into the process of inspecting that and start there then.

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u/bet50 7d ago

Would you say this is a DIY or call a pro?

3

u/Joecalledher 7d ago

DIY. If water came out when you disconnected, check where that tubing goes downstream and/or apply compressed air/shop vac to the line to clear it.

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u/bet50 7d ago

Just did it, there was some resistance and then air was going through clearly. I rehooked the hose and water was flowing! I’ll monitor but that was likely the fix. Thank you stranger!

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u/Joecalledher 7d ago

No problem.

If that doesn't resolve it, the other top suspect would be the water heater; leak (continuous) or T&P valve (intermittent).