It might be easier to use a float switch to shutoff the pump in the event of a low water event in the sump. You could use an ATO system for this purpose. Most ATOs can be configured with a sensor in the reservoir to detect a low water condition and shut off the top off pump. Theres no reason why this wouldn't work with your sump and return pump.
Anyway, I'm sorry about your misfortune although I'm glad you didn't lose the tank.
- Brad
Last edited by abcha0s; 08-09-2011 at 02:09 AM.
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