MultiFlo system, power consumption [RE-wrenches]

[Doug Pratt]

I worked with a homeowner in a grid-tied showcase home last year trying to
get her consumption down to match the PV input. The greywater system
aeration pump was pulling a greedy 430 watts 24/7. Cripes! That's 10kW a
day. It's pretty specialized, no replacement options, so we put a timer on
it. Running it halftime, every other hour, seemed to work for this
lightly-used system (two working adults, one of them a pilot who's away a
lot).

If you've got a choice about it, pumping air into the water uses a lot less
power than pumping water into the air. Which one's heavy? Duh...

Cheers,
Doug Pratt
DC Power Systems

-----Original Message-----
From: Carl Hansen [mailto:Solarwks at cybermesa.com] 
Sent: Tuesday, April 24, 2007 12:59 PM
To: Wrenches
Subject: MultiFlo system, power consumption [RE-wrenches]


Greetings,
  This is one type of alternative to a septic system, one system is called 
MultiFlo,  it has a submersible circulation pump, that circulates waste 
water around internally for the purposes of introducing oxygen to the mix to

feed the bugs, anyone know what the power draw is on these little pumps?
 Carl Hansen 


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