|reply to dick white |
Re: Sump pump w/ battery backup
We have a Zoeller Basement Sentry #507 system in our house and here's how it works:
* The regular sump works like normal.
* I've got a 12v Deep Cycle battery and a trickle/float charger.
* There is a smaller 12v pump that sits above it with a separate float.
* Should the water level rise above the normal pump the 12v pump kicks on and pumps the water out. There are check valves in both the 12v and 110v pumps output so one won't fill via the other.
It seems to work well. I "tested" it the last night and it was able to keep up with the inflow quite well. Other than that I think it would help in your situation but the question would be how long the battery would last.