Surging house water pumps

[Rick Davis]

Thanks again to all that responded. We are finally in one spot for a few days so will attack your various suggestions soon. I see an eventualchange-out to a single higher pressure pump in the making. Thanks for the pic Pete.

Rick and Marilyn Davis

1993 "freeNeasy"

Loudon, TN

(in Jonesboro, AR)

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From: Pete Masterson
To: WanderlodgeForum@yahoogroups.com
Sent: Thu, November 12, 2009 3:25:18 PM
Subject: Re: [WanderlodgeForum] Re: Surging house water pumps

You probably have an accumulator tank already. It might be short of air or the bladder has leaked (rendering the tank useless), etc.

The link shows the before and after of the pump replacement job I did on my coach. The accumulator tank is mis-labeled as "expansion tank"... you probably have one already. The sporlan valve is also labeled in one of these shots.

<http://gallery. me.com/aeonix1# 100029>

Pete Masterson

(former) '95 Blue Bird Wanderlodge WBDA 42

El Sobrante CA

"aeonix1@mac.com"

On Nov 12, 2009, at 4:55 AM, Rick Davis wrote:

Wow, so many responses already! Thanks all.

Bob, the pumps I put on are the same ones that came off; Shurflos. Soif the wiring worked for the old ones would that meanit wouldbe adequate for the new ones?

Pete and Wayne, regarding addingan accumulator tank. That sounds complicated to me. I had previously had one pump that always worked good and didn't surge. Maybe with two working such is needed?

Greg, regarding the back flow valve; instead of removing and plugging lines, would simply shutting a pumps incoming and outgoing valves off suffice?

Ralph, newby question. Where is the Sporlan located?

Rick

1993 WLSA

in Iowa (wherethe water at least works, andit's too cold to putz with it quite yet this morning.)

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From:gregory O <"greg@rainbowrv.com">
To:"WanderlodgeForum@yahoogroups.com"
Sent:Thu, November 12, 2009 1:53:38 AM
Subject:[WanderlodgeForum] Re: Surging house water pumps

it sounds like one of the new pumps has a bad backflow valve. remove the lines from one pumpat a time and plug the ends with a bolts and hose clamps.

--- In"WanderlodgeForum%40yahoogroups.com", "davisgr" wrote:
>
> What can I do stop my house water pumps from "surging"; runs for a couple of seconds, hesitates a moment, runs for a couple of seconds, etc.? Both pumps are new. One does it worse than the other, depending on the load being put on it. I have tried running all faucets at once for a while. I have tried opening the faucet valve located in the same compartment and draining water from there.
>
> Rick Davis
> 1993
WLSA
> Loudon, TN
> (at HWH in Iowa tonight-getting colder!)
>