Canít flush black tank. - Dutchmen Owners

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Old 06-27-2020, 09:19 PM   #1
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Canít flush black tank.

My connection for the black tank flush is blocked. It use to work great, now I connect the hose from house and water doesnít flow.
The label says open fullway termination valve. I have no idea what that is. If itís the dump valves I have them all open. Anybody have any ideas. Itís a 2018 and Iíve used the flush many times without a problem before. Thanks.
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Old 06-28-2020, 09:54 PM   #2
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The fullway termination valve is the tank dump valve. The only thing typically in-line with the black tank flush connection is a backflow preventer.
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Old 06-28-2020, 11:28 PM   #3
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Was doing a flush on our Voltage and was not getting any water pressure, the garden hose that I hooked up with must of had debris in it and plugged the screened hose washer at the outside connection, darn I was frustrated for awhile while trying to figure it out
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Old 06-29-2020, 02:07 AM   #4
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I can’t figure out why mine is blocked. When I look in the hose connection I see the check valve it doesn’t appear stuck or broken. I know there is pressure there because there is pressure at connection when I try to disconnect the hose.
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Old 06-29-2020, 02:55 AM   #5
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Quote:
Originally Posted by larrypride View Post
I canít figure out why mine is blocked. When I look in the hose connection I see the check valve it doesnít appear stuck or broken. I know there is pressure there because there is pressure at connection when I try to disconnect the hose.

If you're getting water blow back when you remove the hose the valve it stuck. If the valve is stuck then no water will go into the tank. The next move is to pull it out of there and see if it actually is the check valve or on down the line.
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