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labcrazy · 03-25-2015, 05:39 PM

Newbie to this forum, been rving in one type of vehicle or other for about 35 years, never had this issue before. We have a 2011 Allegro Red, beautiful inside and out, great attention to fit and details. BUT our bathroom sink has always been somewhat slow to drain and getting a little worse now that we are retired and spending more time on the road. It seemed like the plug didn't raise up high enough, so I did crawl under the sink and managed to raise it as much as I could, still slow. I am bright enough to know I can't pour Drano in there, tried boiling water, still slow. Any more things I can try?

mhbell · 03-25-2015, 06:46 PM

Quote:

Originally Posted by labcrazy

Newbie to this forum, been rving in one type of vehicle or other for about 35 years, never had this issue before. We have a 2011 Allegro Red, beautiful inside and out, great attention to fit and details. BUT our bathroom sink has always been somewhat slow to drain and getting a little worse now that we are retired and spending more time on the road. It seemed like the plug didn't raise up high enough, so I did crawl under the sink and managed to raise it as much as I could, still slow. I am bright enough to know I can't pour Drano in there, tried boiling water, still slow. Any more things I can try?

First thing I would do is take the P Trap loose and see if it is partly plugged with a big hair ball or something else. Another thing is the vent pipe if it is vented. Birds nest or some other obstruction. Especially if the vent cap on the roof is missing.
Mel

MSHappyCampers · 03-26-2015, 08:06 AM

Go to Wal-Mart and get a Zip-It drain cleaner! Great for lavatories, sinks, showers, etc. ! Less than $3.
Zip-It - The easiest way to clean your drains

P.S.- don't pay any attention the the statement on the package that says for one-time use only! That's a legal thing because of the sharp barbs!

Good luck, happy trails, and God bless!

mccrob · 03-26-2015, 08:35 AM

Had the same problem in my 2002 Diplomat. Took the P trap apart nothing there then removed the plug itself and on the cross bar was a big glob of hair problem solved

Melmoses · 03-26-2015, 08:43 AM

At some point Tiffin changed from a P-trap to another type of drain. Look under you sink. If it looks flat then you have the newer one. You cannot stick anything down the drain as it will break the fitting. If you have the newer style then I would do like many others and replace it with a P-trap type.