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Old 10-08-2018, 10:57 AM   #1
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What?? Grey and Black water drains different

My husband and I recently purchased a Flagstaff High Wall popup camper. Upon prepping it for our first camping trip we noticed that the Galley tank and the Black water tank have seaparate discharge ports. In all of our previous travel tailers, the grey and blank water tanks share the same discharge port allowing the grey water to flush the sewer hose after discharging the black tank. So, how does this work in my new popup? Please help!
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Old 10-08-2018, 11:08 AM   #2
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No big problem. After draining your black tank first, close the blank tank valve....move your sewer hose to the gray discharge port.

Pull valve and your gray water discharge cleans the sewer hose.

If the discharge ports are close enough, buy one of these

https://www.amazon.ca/Camco-39812-Rh...70940344&psc=1
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Old 10-08-2018, 11:13 AM   #3
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Thanks for the quick reply! The only minor problem is that the grey (or Galley) drain port is so much smaller than the Black water drain port. Looks like the Galley port is just large enough for a water hose??
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Old 10-08-2018, 11:16 AM   #4
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Quote:
Originally Posted by kenandterry View Post
No big problem. After draining your black tank first, close the blank tank valve....move your sewer hose to the gray discharge port.

Pull valve and your gray water discharge cleans the sewer hose.

If the discharge ports are close enough, buy one of these

https://www.amazon.ca/Camco-39812-Rh...70940344&psc=1
Wasn’t there a thread here, not too long ago, where the OP said the gray tank discharge is now a different, oddball size than the black tank discharge? I may have misunderstood what they were talking about, but if that is the case, it may not be as simple as shifting the hose from one outlet to the other.

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Old 10-08-2018, 11:17 AM   #5
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Originally Posted by Sherry Branlund View Post
Thanks for the quick reply! The only minor problem is that the grey (or Galley) drain port is so much smaller than the Black water drain port. Looks like the Galley port is just large enough for a water hose??
This is what I was talking about.

Bruce
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Old 10-08-2018, 11:26 AM   #6
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Thought I saw an attachment for sale that connects a water hose to the black discharge hose for flushing/cleaning it. Don't know how effective it is.
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Old 10-08-2018, 11:28 AM   #7
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Quote:
Originally Posted by Sherry Branlund View Post
Thanks for the quick reply! The only minor problem is that the grey (or Galley) drain port is so much smaller than the Black water drain port. Looks like the Galley port is just large enough for a water hose??
Then get one of these: Camco 39080 Rhino Blaster Sewer Tank Rinser and a short garden hose.
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Old 10-08-2018, 11:30 AM   #8
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Thought I saw an attachment for sale that connects a water hose to the black discharge hose for flushing/cleaning it. Don't know how effective it is.
Somebody’s solution was to connect a Flush King (or something similar) to the black discharge and connect to the garden hose connection.

It’s all coming back to me now.

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Old 10-08-2018, 11:32 AM   #9
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Then get one of these: Camco 39080 Rhino Blaster Sewer Tank Rinser and a short garden hose.
Somebody always beats me to the answer. I only just passed typing class in high school.

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Old 10-08-2018, 11:37 AM   #10
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That high school typing class was one of the most useful things I learned in high school!
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