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Old 01-14-2020
rotaryjohn's Avatar
rotaryjohn rotaryjohn is offline
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Join Date: Apr 2017
Location: lawrenceville
Posts: 192
Default Rain Water getting in unit

The rear unit on FIRST is the original Dometic and still works. It leaks during heavy rains. Does BB use the same 1 inch thick foam seals as other RV's? I removed the cover and it only looks like a rubber butyl tape is all there is. I want to order the right parts before I take it off.

John Taylor
Lawrenceville, GA
1980 FC35RB
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Old 01-14-2020
mahansm mahansm is offline
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Join Date: Apr 2017
Location: Lynn Haven
Posts: 467

The new Dometic Penguin II I installed a couple years ago had a standard 14" x 14" foam rubber seal about an inch thick. Installation instructions said to tighten the unit down until the foam was reduced to 1/2 inch thickness. So far no leaks.

Helpful hint: replace the 4 Philips head screws securing the unit with hex head bolts. They won't strip out like the Philips heads will and are much easier to deal with. Lowe's/Home Depot etc will have the correct diameter/length/thread.
Stephen & Kathy Mahan
Bubba & Mattie (malti-poos)

Lynn Haven, Florida
1999 LXi 43 dual slide
Honda CR-V toad

850 814 9022
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Old 01-14-2020
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susanmarycamilleri susanmarycamilleri is offline
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Join Date: Jan 2008
Location: vancouver Is.
Posts: 1,831

First check that your covers are not cracked. I replaced my three covers last summer because they were cracked, and that allowed water to enter during heavy rain. Bought replacement covers from Icon.
Peter Haggins
Courtenay, BC
Mid Door
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Old 01-14-2020
BrianS BrianS is offline
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Join Date: Jan 2013
Location: Coweta
Posts: 983

I think the foam he was referring to is on top of the unit, just below the cover. It helps direct the air flow. You can get replacement from Dometic, or Lowes (cheaper) just got to figure out a way to glue it down. I second the suggestion to get an replacement cover from Icon (Amazon has them). A little crack will let in a lot of water. First hand experience there!

Brian Stephens
'97 PT43
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