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Old 04-29-2012, 09:32 AM   #1
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Join Date: Apr 2012
Posts: 1
2012 SV-305 Black Water Valve

We just purchased this model. There are two valves at the "sewer dump" location on the SV-305. One on the left and one on the right. I swear the dealer said never to open the valve on the left? Is that true? Does the right valve control both the grey water and black water?
Thank you.

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Old 04-29-2012, 09:46 AM   #2
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Join Date: Mar 2011
Location: Southern California
Posts: 201
It will help if you can take a pic, that being said. Normally they re not connected. Black water valve has bigger pipes going to it 3 inch. Grey has 1.5 inch piping. I think they meant to say dont leave it open. You want to open valve with it atleast 3/4 full. Helps flush out the solid waste, then pull grey valve to help clean your sewer hose!!! This normal operation

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Old 04-29-2012, 09:22 PM   #3
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Yup, I agree with Showtime. Sonds like they meant to say don't leave the black open while in the camp ground.
2012 Surveyor SP280
2005 Nissan Titan
ripwild is offline   Reply With Quote

305, black water

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