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Old 11-19-2018, 04:40 PM   #1
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Brand: Thor Motor Coach
Model: WindSport 35M
State: South Carolina
Posts: 12
THOR #12478
san-t-flush not working

My rear san-t-flush will not drain when water is connected
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Old 11-19-2018, 06:32 PM   #2
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Brand: Thor Motor Coach
Model: 2013 ACE 30.1
State: Alberta
Posts: 921
THOR #2631
I assume you mean nothing is spraying into the black tank? This old hyperlink may help......but they don't say how they cleared the line blockage.

https://heartlandowners.org/showthre...54-San-T-Flush
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Old 11-19-2018, 07:20 PM   #3
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Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 11,293
THOR #8860
I really hate to ask this...
Is your dump valve open?
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Old 11-20-2018, 02:43 AM   #4
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Brand: Thor Motor Coach
Model: Windsport 29M
State: New York
Posts: 65
THOR #11919
Quote:
Originally Posted by javelin View Post
I assume you mean nothing is spraying into the black tank? This old hyperlink may help......but they don't say how they cleared the line blockage.

https://heartlandowners.org/showthre...54-San-T-Flush


Did it ever work? Same thing happened on my new Windsport 29M. Turned out they installed it backwards at the factory. Dealer flipped it around and ok.
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Old 11-28-2018, 09:45 PM   #5
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Brand: Thor Motor Coach
Model: ACE 30.3
State: Texas
Posts: 58
THOR #10883
San t flush

The fitting where you connect the hose has a one way valve in it. If you connected a dirty hose the debris will clog and jam the valve. Remove the fitting and blow out from rear. In my case I got tired of clearing it so I just tapped the valve out of the fitting and no more issues. I use a hose washer with a screen just for safety.
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Old 12-03-2018, 03:06 PM   #6
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Brand: Thor Motor Coach
Model: WindSport 35M
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THOR #12478
it is...
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Old 12-04-2018, 06:59 PM   #7
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Brand: Thor Motor Coach
Model: ACE 29.3
State: Nevada
Posts: 45
THOR #7987
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Originally Posted by MaceMan View Post
The fitting where you connect the hose has a one way valve in it. If you connected a dirty hose the debris will clog and jam the valve. Remove the fitting and blow out from rear. In my case I got tired of clearing it so I just tapped the valve out of the fitting and no more issues. I use a hose washer with a screen just for safety.
Wow! I wish mine had a one way valve. Then I wouldn't have to deal with the anti-reflux addition to my hose that I attach to the San-T input. The water drains back out of ours for a while after we disconnect the hose, so I am pretty sure that we didn't get a one way valve in ours.
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Old 12-04-2018, 07:43 PM   #8
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Brand: DRV
Model: 44' Santa Fe
State: Montana
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THOR #2053
There is not, and should not, be a one way valve on a flush line. It is designed to back flow from the anti-siphon valve to the connection. If yours has a one way valve at the connection someone screwed up and defeated the purpose.

Bill
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