Central Ac Units Condensate Drain Pan Question
by Mark D.
We installed a York central air system about 19 years ago. Never a problem until this spring when we noticed water dripping out of our soffit in front of a bedroom window. Went to the attic to see if the drip pan drain was backed up and noticed that the secondary drain pan/back-up pan was full. If it not moving outside, it is leaking inside.Evaporator drain pan cracks
Had the HVAC installer come out and look at the central air conditioner and was advised that the primary drip pan rusted through and could NOT be replaced. Was told that we now needed a NEW central air conditioning unit and was quoted roughly $10,000 installed.
We currently have to use a wet/dry vac daily to empty the secondary / back-up drip pan. Since the central air unit has run perfectly for 19+ years. I'm not really happy about spending $10k at this time because the drip pan can't be replaced.
Is it feasible to replace the secondary / back-up drip pan with a more substantial pan with a better drain?
Here are some of the questions I pull from my spring cleaning! :)
Is it normal to have water in the drain pan of the evaporator?
No, it is NOT normal to have 1.5 inch of water level in the drain pan or more. The water supposed to flow outside, it NOT supposed to stay in the drain pan.
Above answer is kind of confusing - If the water is moving, it is normal. If the water stay in the drain pan, it is NOT normal. It does not matter the level of water, but it have to move outside.
I was informed that the pan is cracked in the fan coil. Is it true that I will to replace the entire unit? Or can the drain pan itself just be replaced? Can we fix it?
No – it not necessary to replace entire unit for a cracking pan, yea the drain pan can be replace. Fixing a crack is waste time and money. What is the source of water collecting in the pan under my central ac unit?
The water came from the evaporator. The evaporator turns moisture air into water. This is the entire process of cooling the room and making the air feels comfortable.
If it raining outside and we turn on the central air conditioner, the evaporator coil will produce a lot condensing water from the heavy moisture air. This is normal. My central ac pan is overflowing and leaking water – why
Why the water not moving? If it overflowing in the attic, it serious problem. We need to ask ourselves, why the water is not flowing outside. It could be the drain line is clog or (if it has condensate pump, why is it not working).
If the area air is heavily moisture, it best to clean the condensate drain line once a year or every 6 month. If the air handler is in the attic, we need to take this serious. What do we use to clean the condensate drain line?
Watch online video! I have had my central ac unit on about 2 hours, yet there is not water is draining from the tube outside?
If the central air unit only runs a short time there might not be any draining, but 2 hours should probably have some drainage. I would suggest you look inside your return for the water.
I would guess your drain line is blocked. This is easily fixed if you have a shop vacuum. Locate the drain line outside, usually somewhere around the outside unit. Attach the shop vacuum to the line and turn it on. Let it suck the line out. It does not need to be a tight seal around the line you can use your hand to seal it.
After you do that you can go back inside and look at the unit for water. Check to make sure the unit is draining outside now. You can double check by removing the cover from the unit and pouring water into the tray or directly into the line and look outside to see if it is draining. I find adding food coloring to the water helps me know when the water I put in is coming out of the line outside.Read More On Central Air Units Condensate Drain Pan