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Add to the List of "Things that ain't Good": Water Underneath the Furnace

So, you’re down in your basement adding strawberry preserves to the food cache you’ve stockpiled in preparation for the Zombie Apocalypse. Or, maybe you’re just down there doing laundry. As you navigate your way around the shop-vac, duck under some cobwebs, and zero-in on your destination, something in the back of your brain sounds an alarm. Not everything is as it should be. You pause for a second and wonder what exactly your subconscious picked up on. Then a brief shock of recognition. Uh-oh. There is water under the furnace! You instinctively know that a pool of water underneath there indicates something is definitely wrong. Also, because you regularly monitor this blog you know that the furnace is not a water-using piece of equipment.

So why is there water? The most likely culprit for the pool of water is a condensation leak. Typically, this condensation is piped away to a floor drain whereby it exits the home, but in this case, there is probably some blockage preventing proper draining. What exactly spearheads this “blockade” is most often one of two things: 1) the trap or pump is clogged, or (2) the floor drain is blocked up.

A less likely explanation for the leakage could be from an issue with the humidifier connected to your furnace - if, in fact, you have a humidifier. These are connected to your home’s plumbing, using water to moisten the air. If leaks or cracks have developed, water can seep out and make its way to the floor.

Whatever the cause of a furnace leak, the problem has to be fixed. Quickly. Leaks can cause mechanical failure, damage to flooring and walls, and mold or mildew can flourish. A professional HVAC technician should be able to diagnose the root of the problem in no-time and offer solutions promptly.


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