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Old 01-17-2016, 07:36 AM   #1
rgries
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kitchen sink

2010-3400 RL
Kitchen sink won't drain, I removed the trap but it is clean.
Suggestions appreciated. Holding tank empties,
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Old 01-17-2016, 07:57 AM   #2
Dam Worker
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Looks like you may have to run a snake down the drain pipe. On most RV's the piping to the tanks do not have very long runs. If you already took the trap off you should have good access to the drain line. Other wise they make some cameras that you could run down the pipe to see what kind of obstruction is blocking the flow of water.
Only other thing I can ask is if you have two grey water tanks and if they are both empty?

Tom Marty
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Old 01-17-2016, 08:25 AM   #3
jimcol
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Following up on what Tom said, based on your model you do have two gray tanks. Are you sure you are emptying both? If you have pulled both gray tank rods it is possible the rod is pulling but it has disconnected from the gate valve.
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Old 01-17-2016, 10:03 AM   #4
pkbridges77
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It could be more, but I learned the hard way there are three drain valves in my Monty, not just the two in the basement. Third is in the left wheel well and no handle on mine. It was a hand-drawn schematic on the internet that finally tipped me off after a few hours of plunging and snaking. Grrrr.
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Old 01-17-2016, 11:29 AM   #5
DQDick
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If you haven't found all three dump valve handles, the kitchen one is just in front of the front tire on the street side coming out of the frame.
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Old 01-17-2016, 01:09 PM   #6
rgries
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Thank you to everyone who responded to our clogged drain problem.
I did not know there was another valve. It is in a difficult place to
find. This forum is the best!
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Old 01-17-2016, 01:50 PM   #7
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Don't feel bad. This is a common situation. The dealer should have told you, but many of them don't have a clue.
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Old 01-22-2016, 03:27 PM   #8
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Glad to see I am not the only one!!! Both the guy doing the walk through and myself missed the valve for the galley!

We have had a good laugh, the dealer was quick to point out the convenience of the centralized water/ sewage center in the basement, but failed to mention the galley and 2nd bathroom pulls hidden under the slides!

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Old 11-15-2019, 06:15 PM   #9
OmarnMaria
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Thankful for this forum. Unfortunately I practically tore my camper apart trying to figure out why the sink would not drain when I finally gave up I read this....
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