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Old 11-25-2020, 09:40 PM   #1
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A/C water leak

I have water leaking out of my right rear a/c ceiling duct on the rear A/C unit when it rains. Anyone know the fix for this? It’s an Airxcel unit 9000 series heat pump.
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Old 11-26-2020, 07:01 AM   #2
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I may have figured it out. I pulled the inside grill off and checked the mounting bolts and they are just finger tight. Iíll snug those up and see if it stops the leak. Itís not a huge leak, only about a shot glass full after raining hard all day yesterday. Iím guessing water could get into the ducts from the roof gasket but not leak otherwise. The manual doesnít give a torque spec for the mount. Anyone know how tight to tighten it without deforming the gasket?
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Old 11-26-2020, 07:09 AM   #3
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When I installed the RV Air Flow it had the torque spec in the installation manual. I don't recall what is was but maybe you can get your hands on a PDF. It may even be mentioned in that thread.
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Old 11-26-2020, 07:13 AM   #4
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Found it!

https://www.forestriverforums.com/fo...-a-208666.html

Post #17

45 in. lbs. spec
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Old 11-26-2020, 08:05 AM   #5
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Quote:
Originally Posted by TrailWayz View Post
Found it!

https://www.forestriverforums.com/fo...-a-208666.html

Post #17

45 in. lbs. spec
Great, thanks.
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Old 11-26-2020, 09:28 AM   #6
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Quote:
Originally Posted by TrailWayz View Post
Found it!

https://www.forestriverforums.com/fo...-a-208666.html

Post #17

45 in. lbs. spec
Bolts were very loose, hope that solves problem. Rain next week so Iíll know for sure then. Iíll report back and let you know.
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Old 11-30-2020, 07:01 AM   #7
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Bolts were very loose, hope that solves problem. Rain next week so Iíll know for sure then. Iíll report back and let you know.
Ok, torqued done the A/C unit last week and itís raining today and still leaking out the rear vent. Any ideas?
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Old 11-30-2020, 08:28 AM   #8
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I would probably get up on the roof and remove the plastic shroud cover. You can easily visually inspect the gasket between the AC unit and the roof and look for any potential vulnerabilities. My guess is it something to do with this seal.
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Old 11-30-2020, 12:55 PM   #9
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You say it's leaking out the rear vent. Does the duct have water in it or is it just leaking around the register?

If the duct has water in it, I would take the filter grid off the A/C when it's raining (or make it artificially rain) and see if it's leaking in around the gasket. If it isn't, then get a inspection camera and look down the duct.

If the duct doesn't have water in it, you likely have a roof leak that's traveling to the nearest opening in the cceiling, which happens to be the rear vent.
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