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Old 03-07-2017, 12:02 AM   #1
Junior Member
Brand: Thor Motor Coach
Model: c class 31l
State: Louisiana
Posts: 12
THOR #2841
Black tank washout

I have a four wind 31 L,2014. The problem is my San t flush will not allow water to clean the tank. It appears it's blocked. Tried to locate the vacuum check valve with no luck. Can any one help me?
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