quiet pump - Fiberglass RV

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Old 04-03-2018, 11:47 AM   #1
Name: kanga
Trailer: scamp 16
Posts: 33
quiet pump

Our scamp had the original shurflo 2088 model from 2009 in it. I like the newer generations shurflow 4008 model I just put in as it is quieter, but it draws up to 7.5 amps. Any other quiet brands/models that draw less amps you know of? I'm not interested in the higher gpm game. Conserving water and battery energy is far more important for off grid camping.
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Old 04-03-2018, 12:13 PM   #2
Senior Member
Name: Gordon
Trailer: 2015 Scamp (16 Std Layout 4) with '15 Toyota Sienna LE Tug
North Carolina
Posts: 5,114
If I have my math right..

The Shurflow 4008 pump is 3 gallons a minute. But lets assume its only half that going through the plumbing, or 1.5 gallons a minute. That will empty your 12 gallon water tank in eight minutes. Eight minutes is .1333 hours. .1333 hours times 7.5 amps is ONE Amp Hour.

So one tank of fresh water pumped through the system will discharge your battery a little over two percent. That might be about 5% of the battery power that one hour of the roof fan uses. If you have the smaller ten gallon tank, then its even less.

I don't think I would be highly concerned about the pump draining my battery. As for the noise, does it really run long enough to be an issue? My pump runs an average of two minutes total time a day. I can live with a loud pump for that long .
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