Quote:
Originally Posted by sphelps
Not sure what you mean by back flows and I'm not an apex guy but I assume you need to use a BOB to connect some sort of sensor to determine pump failure. As far as valves and plumbing goes all you need are the two check valves, one on each pump output and that's it.
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I mean back-flow preventor, same thing as a check valve.
Yes, I would use the Apex to sense the pump failure, so it could turn on the back up pump.
I was thinking the check valves would be at the inlet , just because of the way the two pumps plumbed together.
I was thinking that I had to have the check valves at the inlet side, but the more I think about it, the outlet side makes more sense. I just worry about stagnant water in one of the pumps getting into the tank.