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Member |
I have a lot of condensation leaking on the inside of my evaporator coil in the furnace. It seems like the blower is pulling it in to the inside. What is going on? | ||
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Left-Handed, NOT Left-Winged! |
Condenser is outside and evaporator is inside. If you mean the evaporator, then high humidity will result in a lot of condensate that needs to be properly drained. Evaporators (most residential ones are A-frame style) usually have a drip tray with a drain line that goes outside the furnace and to a sewer drain, or sometimes a floor drain. But the tray only covers the "legs" of the A and there's a big hole in the middle, so airflow can cause what you describe. | |||
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Lefty Sig, Thank you for the correction. It is inside the "A" frame. I don't see a drain on the inside. There is the drain on the outside and it is draining properly. | |||
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Assuming by your post, you have a gas furnace with an evaporator coil sitting on top? Photo? | |||
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Excam_Man the furnace is an electric with the evaporator coil sitting over the blower unit. | |||
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So, this is a downflow air handler(?), return air and filter on top? | |||
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The return air is on the unit (top front no ducted return). This is in an 1100 sqft modular. I'll be able to post picture later. I did turn the AC of and just left the fan run to try and dry it out a bit. | |||
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Member |
So you have a negative pressure coil, which requires a trap in order to drain properly. Did the drain line (trap) get cleaned(?) recently and in doing so, a cap wasn't put back in to place? Clean air filter? As a dirty filter could lead to a unit sucking the trap dry. Only allowing it to drain when the blower is off. Or is this like every other modular home which has a shitty air filter setup(?), where the evap is so dirty, the air velocity is pulling the water directly off the coil? **Assuming the evaporator coil isn't freezing up due too other issues. | |||
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Member |
No on the drain and no on the freezing, but you hit the nail on the head about it being like ever other modular with a shitty filter and pulling water off the coil. I have tried regular filters and the blue wash/reuse. I have tried to clean the evap with a vacuum, but I can get it all because of the right space. A little back ground we live in AZ and this is a rental. I try to take care of simple stuff, but if its going to be expensive I will let the landlord take care of it. | |||
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Member |
It's all pointing to a dirty coil issue. You could try some spray on coil cleaner, but the best way is to pull it so it can be thoroughly cleaned (cleaner and garden hose). Pulling it out is the best way, but it is neither cheap or a DIY project. | |||
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Thank you for the help. Would using compressed air do any good? Or Bad? Do you have a spray on cleaner you would recommend? | |||
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Member |
Air will do nothing. Self rinsing coil cleaner or pulling the coil to clean it outside are really the only two options. Here's the good shit (Nu-Calgon). 18 oz Aerosol can https://www.amazon.com/Nu-Calg...d_i=B00DM8KQ3I&psc=1 18 oz Aerosol can https://www.supplyhouse.com/Ca...r-Coil-Cleaner-18-Oz 32 oz cleaner (mix and requires a sprayer) https://www.supplyhouse.com/Rh...Cleaner-Bottle-32-oz Gallon jug (mix and requires a sprayer) https://www.supplyhouse.com/Nu...isinfectant-1-Gallon When the coil is dry, sometimes you can get a 'mat' of crap off the coil with a fin wisk brush. Just make sure to go with the fins and be gentle. https://www.supplyhouse.com/Di...-B-26-Fin-Wisk-Brush | |||
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