My lower a/c unit evaporator drains directly into the crawl space -- apparently this is a common thing for a 17 yr old house around here. In the three years I have been in the house, the crawl has never accumulated water in it (drainage has never been a problem). My home inspector pointed out that the drain needs to be taken to the outside of the house, which I can do with a condensate pump. But, because the unit never has any piping attached to the threaded drain connectors on the evaporator, the screw threads are completely rusted out. The only option I see is to use a pan placed beneath the drip point (not unlike the a/c unit in the attic) to catch the water and route it to the pump. Alternatively, the only way to affix a piping connector to the evaporator is to replace the evaporator, which is estimated to be a $1000 plus $200 to install the condensate pump. In my opinion, this is unnecessary, since there is nothing wrong with the evaporator‚Äôs current working condition. And yes, it's the original equipment.
Has anyone ever seen it done this way, or see ay problem with this? The end result is that the water wil be drawn out of the crawl space. Please help.
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