De-humidifier and Re-modeling - Router Forums
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post #1 of 5 (permalink) Old 05-18-2017, 09:00 AM Thread Starter
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Default De-humidifier and Re-modeling

I'm remodeling the lower level of our split level house. We run a dehumidifier all summer long. I used to run a hose into the laundry area but now that doesn't work because the space is now occupied by a loveseat. And of course they make a lot of noise which will interfere with TV time.

So I want to move it to a new location. The wall where it's moved to is cinder block and on the other side is a crawl space with a sump pump. I'd like to run the discharge hose through the wall and into the pump basin.

Here are my problems:
1. I've never drilled a hole through cinder block
2. I want the hole sealed in such way that, when in use, critters can't enter the house that way.
3. I want to be able to seal it off completely during the 8 months of heating season.

Thanks for reading and any input.
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post #2 of 5 (permalink) Old 05-18-2017, 09:22 AM
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1/ a hole saw in a power drill will cut through cinder block easy.

2/ any silicone will work to seal the hose into the hole.

3/ a little bit trickier. Is access to the sump area easy? if so just put a rubber bung in the end of the pipe. If not, and assuming the room decor will allow it, just make a small solid pipe with plastic or copper and fit a plumbing valve.
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post #3 of 5 (permalink) Old 05-18-2017, 09:42 AM
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just drill your hole using a masonry bit... a hammer drill is a plus..
sleeve the hole w/ a piece of PVC w/ a male or female adapter on the inside...
seal/caulk the sleeve to the block..
use a cord grip to hold the hose and seal the chase while in use...
remove the hose and grip come winter and replace the grip w/ a cap or a plug to seal it up...

the cord grip...
https://www.waytekwire.com/products/...train-Reliefs/
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post #4 of 5 (permalink) Old 05-18-2017, 10:14 AM
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Dehumidifiers work best when they are located at the floor level, but routing the drain line down hill from the dehumidifier to the sump may require that the dehumidifier be raised up enough for this downhill flow of 1/8-1/4" per foot of run. A small dip of slightly more than the diameter of the hose will act as a trap to keep air from flowing backwards from the sump. If you can't run the drain line sufficiently down hill from the dehumidifier, they make small pumps with float switches, called condensate pumps, which can be placed in the dehumidifier. You could then run the line from this pump uphill as much as 8 feet to reach the drain. I had to do this with all of the condensate from the whole house air conditioner in my last house. I piped it from the center of my basement to the washing machine drain in the corner of the basement.

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post #5 of 5 (permalink) Old 05-18-2017, 01:02 PM
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Plus one with Everything already said. Cinder block is fairly soft so a masonry bit and standard drill will work if that's what you have to work with. A masonry hole saw will make a smoother hole but you'll need a bit to finish with anyway as the hole saw won't be long enough.

If you have a forced air heating system you could hook it up to a dehumidifier which would eliminate a lot of the noise but of course it would be more costly.
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