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02-01-2010, 09:11

The fresh water system is tested at 120 psi minimum to pass the RVIA/RVDA specs to be certified. Blue Bird's will take the pressure. I have the5.7 65psi pump in my 84FC. The copper tubing is rated at 600psi burst as is the PEX type tubing.

Safe travels, Ralph Charolette Fullenwider
'84 FC35 "Ruff Diamond"
Duncan, Oklahoma
Sent via BlackBerry by AT&T

From: Pete Masterson

Date: Mon, 01 Feb 2010 13:02:25 -0800

To:

Subject: Re: [WanderlodgeForum] ***@@water pumps

The 5.7 gpm variable speed pump produces about 65 psi. The pipes in most RVs should be able to handle this without serious problems. I experienced zero problems (other than a glitch with the Microphor flushing -- but that wasn't the pipes...)

If you are very concerned, Shurflo also makes a 4.0 gpm variable speed pump that produces about 50 psi.

Shore water is limited to 40 psi by the most common limiting devices -- and is a very conservative setting. Adjustable pressure limiters are available that allow higher pressures. (Many BBs have 'built in' pressure limiters located at the water input port.)

Visit the Shurflo web site for information about both the 5.7 and the 4.0 gpm pumps:

<http://legacy.shurflo.com/pages/RV/rv_ca...treme.html>

Pete Masterson

(former) '95 Blue Bird Wanderlodge WBDA 42

El Sobrante CA

"aeonix1@mac.com"

On Feb 1, 2010, at 12:42 PM, Greg Young wrote:

I just replaced ours with a Shurflo 2.8 GPM because I was concerned about water pressure in the older coaches. Wouldn't a higher flow rate pump potentially develop a higher pressure than the ratings of our old pipes and tubes?

Greg Young
86 PT-40
Escondido, CA

Each time you judge yourself you break your heart.
-Kirpal Venanji

From:david brady <"dmb993@earthlink.net">
To:"WanderlodgeForum@yahoogroups.com"
Sent:Mon, February 1, 2010 10:56:39 AM
Subject:Re: [WanderlodgeForum] ***@@water pumps

Hi Ron,

I've been there enough times to prompt me to rip out the two shurflo's
with accumulator tank and replace the whole contraption with one shurflo
extreme 5.7 gpm constant pressure pump. No looking back. :-)

David Brady
'02 LXi, NC

On 2/1/2010 8:54 AM, luckyron1 wrote:

We had Foretravel of Nacogdoches replace both of our waterpumps last April. They worked !
fine up until sometime last week. The wife commented that she thought that she had been hearing the water pumps running continuously for several minutes. Oh oh, I thought, empty water tank and a faucet running somewhere; maybe a leak? Nope. Tank is full and faucets all secure. No leaks anywhere. Cycled all of the pump switches on/off. The pump would turn on/off but no suction, no increase in water pressure. Crawled into the pump area to do a visual/feel. Only the top one runs but no suction. The bottom one won't even run. Anyone been there? Thanks.

Ron & Ruth
2000 LXI in SPI