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Old 03-22-2024, 08:54 PM   #1
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Grey tank 2

Just purchased 2021 Sabre 38DBQ. It has 3 grey tanks. Tank 2 is full and the kitchen sink is not draining. I have pulled both handles labels grey tank on the outside. The other two tanks are empty. Is there a 3rd dump valve that I am missing? Could something be plugged up. Any feedback is appreciated. Thanks
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Old 03-22-2024, 09:19 PM   #2
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Moved thread from the General Tech and Repair section to the Sabre sub-forum since the OP's questions are specific to a Sabre product and not general questions.
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Old 03-23-2024, 06:48 PM   #3
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Check the passenger side. There maybe a valve there that drains to the driver side gray valve
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Old 07-10-2024, 05:53 AM   #4
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Not sure if you found your answer new to the platform and came across this thread. But there is a valve labeled Galley Tank which is the 2nd grey tank on the panel. It is located right behind the axel's under the livingroom slide. At least for more 2021 Sabre 38dbq
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Old 07-10-2024, 07:48 AM   #5
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On our KRL 2850 I discovered that gray tank 2 drains through the black water pipe, so the black water valve has to be open for gray 2 to drain. Nothing in the (very generic) E2W manual says anything about that.

Please donít get me started on what the dealer should have told us 🤨
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