No split pipe and we already checked valves. Confirmed when stopped, it is coming from overflow. When I turned cut off valve for fresh water, water ran out like tank was full. We had run for a little while trying to fill so it actually could be full even though indicator says it’s empty. Now to figure out why pump isn’t working. We will probably drain water completely to verify how much is actually in there before we decide for sure indicator is wrong. Then we will refill and try to figure out why pump isn’t priming.