Question about Dometic Rooftop RV Air Conditioner

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Water Leak from roof

Water leak from Dometic model 630516-321 do I need new gastet from motorhome roof to inside

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  • Dometic Master
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Possible stopped up drain or coil iceing up.

Posted on Aug 17, 2015

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Posted on Jan 02, 2017

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SOURCE: Coleman Mach roof top ac

Under the drain pan on each side should be a small plastic drain plug they might be clogged up with debris.

Posted on Jun 19, 2008

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SOURCE: need to know how many amps the model # 57915.741 draws

Compressor amp draw is 7-8 amps

Posted on Mar 19, 2009

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SOURCE: Older Penguin roof shroud, new style fit?

I just replaced my two 620315.321 shrouds with the newer style without any problems. I went to the Camping World site (and called them) with model no. and they knew what to send me. I also found that they had the best price at $79.00 (member price) with free shipping.

I didnt check your shroud part no.s, but think you will be ok if you do as I did.

If you have any question about installing, you can email me at remeola@comcast.net

Posted on May 05, 2009

carlsbiz
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SOURCE: i have a duo therm brisk air model 57915-001 leak

Could be the drain path is clogged.. Take the cover off & see if you can get it cleaned..

Posted on Jul 09, 2009

farfield
  • 462 Answers

SOURCE: My dometic RV rooftop air conditioner is leaking

Remove all covers and look down with them removed and see if the coil drain pan has a stopped up exit where the water drains out and into the rear of the AC unit.

If the unit is off level it could cause a draining problem too.

Posted on Jul 10, 2009

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1 Answer

Is it common for a rv rooftop air conditioner to leak water on to the roof? I have a Dometic Duo-Therm unit 579,590,595 series.


All AC units create condensation from the cooling of air (cold/cool air hold less water than warm air), it is worse in areas of humid air like the Midwest for example.

May 12, 2017 | Dometic Heating & Cooling

1 Answer

I have coleman air conditioning units on my 1991 Georgie Boy. They both leak... water from rain and also when units are shut off, lots of water comes back in. I bought gaskets but it looks like someone...


I'm thinking that motorhome has a rubber roof, so you don't want to cut at roof, or you'll likely end up cutting rubber roof which is certainly not a good idea. It may take some work but try prying and scraping with a plastic scraper while someone lifts up ******* upper unit. Quite often whatever sealant they've used to seal between roof and gasket will start to let go with constant upward pressure.(lifting) If you have fiberglass type roof and not rubber, scrape and pry where gasket meets roof.

Oct 05, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

Our penquin dometic air conditioner in the bedroom pours leaks lots of water when the unit is on during rain storms. Water leaks into the ceiling and also out the unit.


Sounds like base gasket at roof is loose or defective to start with. Try removing ceiling assembly enough to tighten 4 bolts that secure roof unit to inside bracket. Do not compress too much, just snug them all evenly and see if water slows or stops. If not, you will have to remove upper unit (roof) and replace gasket and re-secure but don't tighten to excessive, only compress gasket approx half of original thickness. Also make sure upper unit is aligned properly with opening of roof.

Sep 23, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

When my a/c is on it leaks water,right down through the vent.is there some drain holes up on top that may be pluged up.


Yes! There should be a drain tube that dumps the water on to the roof, if the tube is plugged then water builds up in the catch pan and eventually overflows running into the coach. You will need to take the shroud off to see where the water needs to drain, should be on the left side if your facin the front of the trailer while standing on the roof. Might be a leak in the roof but I think the drain is plugged on this one.
If this was helpful a vote with the thumbs up would be appreciated.

Jul 29, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

Water leaks from the roof unit


This is condensate (which of course is water) that is coming from your unit. This is very normal ... Is it leaking inside or running across the roof and down the side of your unit? If it is going inside, there is a drain in your roof unit that is clogged. You must clear the clog. Remove the cover and inspect the base. Turn the unit off first.

Sep 19, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

When set at coojest setting, water begins to pool on roof of my motor home


It is normal for water to come out of your unit. On some units there is a drain line if you take the top off of the unit you will see the line hooked to the condenser side (cold) of the unit. But most units just let water run out on the roof and run off. Your unit may have settled or if you have applied a sealant on your roof you may have changed the flow of the discharged water. The water is moisture that condenses from the air inside your rv. This should not cause you any problems unless you have a leak in your roof.

Aug 08, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

On my 28 foot Itasca motorhome the air conditioner is leaking water through the gasket on the roof. I pulled the inside cover off and took out the four big boltd holding the roof top section, but I can't...


You need to find where the drain is. The water should flow to a drain and not into the unit. Once you get the condensation draining properly you can use a good quality silicone to seat around the unit. You might check at a RV parts place and find a product they recommend for RV roofs. Hope this helps.

Nov 19, 2009 | Dometic Rooftop RV Air Conditioner

2 Answers

I have a leak and it does not seem to the be the new gasket


They say you should only compress the gasket to approximately 1/2 it's original thickness, and sometimes there are tabs that touch roof to tell you that's far enough. If your sure it's coming in around gasket where it meets roof, try loosening bolts off to allow you to lift upper unit off roof enough to use a caulking gun with a tube of "dicor" self leveling sealant, and run a bead of Dicor around where gasket meets roof , then set unit back down, & tighten until gasket is about 1/2 thickness as new.I always find it better to remove bolts & flip unit on it's side and get good bead down center of where gasket meets roof, then set unit back down, line it up & snug it down.Let it sit for a while to set a bit. Be ready with a rag to catch or wipe any excess that squeezes out from under gasket to the inside, that may end up on floor below, as it's very hard to remove that stuff after the fact.Has worked for me in similar situations.

Jul 01, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Coleman RV air conditioner


It is not leaking. that is the condendensation it is pulling out of the air. It is suppose to leak on the roof and off the camper.

Oct 06, 2007 | Dometic Rooftop RV Air Conditioner

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