Passport 3320 Gray tank labeling
First time out with our 3320 and I noticed that the shower was not draining properly. I went to go check the tank levels and there are two gray tanks 1 and 2. I am guessing that one is for the kitchen and one is for the bathroom but is the kitchen tank 1 and the bathroom tank 2? We have been using both the shower and kitchen sink but one reads 2/3 and the other as empty? I went outside to check the drain valves and the black was of course closed the next one back is Gray 1? And it was closed but the next me back was slightly open and when I closed it and then opened it again I noticed that it made a rushing sound and then the shower started draining.
Bathroom is gray 1?
Kitchen is gray 2?
Why is my shower not draining properly?
I can only guess that the air vent overhead me get be clogged preventing the "air over water"
Thanks in advance,
Craig
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