Captn TJ
Active Member
When I turn on the key the vacuum runs continuously. I did change out all 4 duckbill valves earlier this year and right after I did the vacuum pump ran for a minute and then stopped. We haven't used the head at all.
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We have a winner. I didn't bother checking it just ordered the seal and put it in. After about 15 sec the vacuum pump stopped so good to go.The cheapest thing to check next is the seal at the bottom of the bowl. Make sure it is very clean and then put a small amount of Vaseline on it. Add some water to the bowl and see if the pump stops running after 20-30 seconds. Read your manual before you start throwing parts at it, after you do this simple check.