Reply to Replacing a sump pump -- plumber recommendations?

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[quote=Anonymous][quote=Anonymous][quote=Anonymous]Fyi battery backups don't last that long - only 6-8 hours. The water pressure system is more expensive, but can run indefinitely during a power outage.
[/quote]That's not true at all.  A typical one will be rated for 7 hours of run time.  That's total run time.  They typically run about 10 seconds at a time, until the basin fills up again.  It can run for several days, if not a week at that rate.  Water powered back-ups are a very bad idea and waste a LOT of water to run the pump.  Can't be used with well water, obviously.[/quote]

I disagree with your assessments. An extended power shortage will drain the emergency back-up, basement floods, resulting in the emergency battery underwater and battery acid floating in the mix. A municipal siphon pump only operates when the float rises and opens the valve, and frankly, if the basement floods, the water necessary to activate the municipal siphon pump presents a minor cost compared to the potential flood damage and contamination.
Batteries lose their charge over time if not recharged.[/quote]

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