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Old 03-21-2015, 10:28 PM   #15
cwf
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So.. the 'water' is coming into the unit from above the floor... not 'backing up' thru the fixtures... ahhhhhhh.
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Old 03-21-2015, 11:38 PM   #16
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So.. the 'water' is coming into the unit from above the floor... not 'backing up' thru the fixtures... ahhhhhhh.
Correct. Sounds like the siphon-valve hose is toast from other responses. The hose's placement would explain why water blew on to the furnace as well. Ah, RVs. Never a dull moment.
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Old 03-21-2015, 11:42 PM   #17
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Actually, it is pex pipe and easy to fix. You have to remove the microwave to gain access to the area. It was not hard to repair it.
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Old 03-22-2015, 08:47 AM   #18
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It's likely not the hose but the actual valve. If you use google to search Airforums for anti siphon valve you will find a few posts showing you pictures of the valve and how others have improved the valve (either removing or replacing with a higher quality valve)


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Old 03-22-2015, 01:37 PM   #19
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thanks

Thanks all. I'm on it. Will indeed upgrade the anti-siphon valve as well as the hose. Thanks for the search leads. Will probably consult with AS dealer just in case it is a warranty issue especially if the furnace is toast because of water damage caused by the bad valve. Cross your collective fingers.
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Old 03-22-2015, 09:34 PM   #20
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My check valve was installed backwards and the dealer told me that it was located on the curbside and you had to remove the plastic cubby to access it.
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Old 03-22-2015, 09:45 PM   #21
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My check valve was installed backwards and the dealer told me that it was located on the curbside and you had to remove the plastic cubby to access it.
Thanks. Cubby? Are you talking about the macerator access cover on the outside where the flush hose port lives? This coming Tuesday I have put aside time to search for this demon, wherever it might be hiding. By the extent of the flooding and damage shouldn't be too difficult to locate. This valve apparently has a long, checkered past of unreliability.
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Old 03-22-2015, 10:00 PM   #22
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The cubby is on the curbside to the rear of the step.
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Old 03-23-2015, 12:28 PM   #23
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Thank y'all for reminding me why I'm perfectly contented to have a lower-tech, older Interstate which includes, among other stone-aged implements, an almost fail-safe gravity-driven black tank. Anti-siphon whatchamacallit?! Good grief! As if the Dometic sink faucet wasn't posing enough of a flood hazard, now you've got to worry about that, too?
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Old 03-23-2015, 12:33 PM   #24
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Judging from the number of problems you've encountered, the older version is not trouble-free.
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Old 03-23-2015, 12:44 PM   #25
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Not to get off the anti-siphon valve subject. Speaking of sinks and floods. Peaked under the Dometic sink lid in a new GT at the dealer. You guessed it..same sink, same faucet handle, same problem and eventually same flood!
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Old 03-23-2015, 03:23 PM   #26
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Wonder if anyone has ever written/talked to the mfg about this problem?
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Old 03-23-2015, 04:17 PM   #27
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Wonder if anyone has ever written/talked to the mfg about this problem?
I happened to be talking to Airstream this morning, They called me to set up communication lines since I purchased back in November. I did tell them about this thread/issue. I also wasn't sure if I had the problem since I bought it winterized and haven't done spring prep yet, because we still have 20 degree nights here

The customer service person, Gretchen, I believe, said she was going to read the thread and look into it.
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Old 03-23-2015, 06:31 PM   #28
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Wonder if anyone has ever written/talked to the mfg about this problem?
I emailed the AS head of AI service about it last year. Never heard back. Not even a, "hey, got yor email!".
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