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What is 12V pump performance when the voltage drops

I have a battery backed up sump pump system that is a few years old now. As nearly as I can tell, it is a 12Volt pump with a model numbe of FP1800DCC. It may be 1300DCC.

Recently the cord on the float switch wore through to the point that the pump ran continuously and drained the battery. Now that the battery has been recharged the pump does not seem to have the power to lift the water the 10 feet that it needs to in order to do any good.

Is there a recommended way of resetting and/or checking the health of the pump. Do you have any good suggestions for me before I try to replace the pump/switch. Where can I purchase relevant replacement parts?

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You may have dameged the windings in your motor. If you can get an Amp-probe use it to see if the motor is pulling too much power. If it is then you will need to replace the pump motor.

Posted on Jan 06, 2009

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I would be more inclined to look for holes in the drop-tube where AIR is getting into the system, thus reducing the suction of the pump.

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