Not a bad idea since it has the automatic transfer switch to kick in the backup even if you're not around. The only thing with that inverter is that it produces a modified sine wave which generally is not good for any type of AC motor. A pure sine wave inverter is going to substantially increase the price of this thing, which is already well over $400.
Alternatives other than the generator, which you already know about, is a VorTech with battery backup. This will set you back over $500 if you buy the EcoTech battery backup for the pump, but it wouldn't be too difficult to rig a deep cycle battery up to any VorTech pump. All you need is some wire and a small connector to plug into the 12 volt receptacle on the VorTech driver. The driver automatically switches to the 12 volt supply once the 24 volt supply is lost.
I think Tunze now also has a battery backup for some of their pumps.
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Originally Posted by Raf
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