How I STOPPED a pulsating water flow...
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Sep-22-2015 03:28 PM
I installed the Shurflo hose kit on both ends of my water pump.
I replaced a major 90 degree fitting that was 1 ft from the output of the water pump with a straight fitting.
I replaced my Shurflo 4008 water pump.
I had purged all the lines of any air.
What FINALLY dawned on me is that MAYBE the water restrictors in the faucet fixtures were too much for the water pump....
I had replaced the stock sink aerator with one that pulled down to get a different spray. I had noticed almost immediately that there wasn't enough pressure to allow the second spray pattern to stay, it always fell back to the default stream.
My little brain started to think.....I took off both of the faucet aerators and ran the fixtures.....no more pulsating!
I went to Home Depot and changed out the existing 1.5 gpm aerators for the max 2.2 gpm models. They work PERFECT!
I swear to god I did a little jig on the kitchen floor, who would of thought that the back pressure caused by the water restrictors, just like the elbows in the plumbing, would have such an effect.
I HIGHLY recommend trying this out, it worked for me!
Mr. E
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Sep-23-2015 04:43 AM
06Fargo wrote:Dutch_12078 wrote:egarant wrote:
In regards to installing an accumulator tank, I called Shurflo and a tech told me that the pump model 4008 did not require an accumulator tank and that it would be a waste of money.
The tech was wrong... If your 4008 was pulsating, an accumulator tank would stop it. The Revolution (4008) bypass pump is supposed to eliminate cycling/surging, but it doesn't always work as well as they claim, especially at low flow rates.
Roger this ^
x3- there is an adjustment for the bypass pressure- it is not always well adjusted. Proper adjustment, or simply adding an acumulator would be a fix. The tech really dropped the ball on this- that pump should not pulsate.
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Sep-23-2015 04:26 AM
Dutch_12078 wrote:egarant wrote:
In regards to installing an accumulator tank, I called Shurflo and a tech told me that the pump model 4008 did not require an accumulator tank and that it would be a waste of money.
The tech was wrong... If your 4008 was pulsating, an accumulator tank would stop it. The Revolution (4008) bypass pump is supposed to eliminate cycling/surging, but it doesn't always work as well as they claim, especially at low flow rates.
Roger this ^
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Sep-22-2015 08:22 PM
Line pressure drops (open faucet) pressure switch closes/pump starts
Line pressure increases (demand not high enough) pressure switch opens/pump stops
Repeat over and over and over.....
Methods to resolve:
Install accumulator tank ---- even a small one
Remove resisters on faucets/shower
Slightly increase pressure switch 'set point' ---adjustment on end of pump head
2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31
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Sep-22-2015 07:59 PM
egarant wrote:
In regards to installing an accumulator tank, I called Shurflo and a tech told me that the pump model 4008 did not require an accumulator tank and that it would be a waste of money.
The tech was wrong... If your 4008 was pulsating, an accumulator tank would stop it. The Revolution (4008) bypass pump is supposed to eliminate cycling/surging, but it doesn't always work as well as they claim, especially at low flow rates.
2001 GBM Landau 34' Class A
F53 chassis, Triton V10, TST TPMS
Bigfoot Automatic Leveling System
2011 Toyota RAV4 4WD/Remco pump
ReadyBrute Elite tow bar/Blue Ox baseplate
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Sep-22-2015 07:50 PM
Chris
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Sep-22-2015 07:47 PM
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Sep-22-2015 06:50 PM
Dutch_12078 wrote:
Installing an accumulator tank would have cured the pulsing issue along with extending the life of the pump due to less cycling.
X2
Kne
2023 Cougar 22MLS, toted with a 2022, F150, 3.5L EcoBoost, Crewcab, Max Tow, FORMER Full Time RVer. Travel with a standard schnauzer and a Timneh African Gray parrot
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Sep-22-2015 05:22 PM
2012 Ford F150 Supercrew Cab
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Sep-22-2015 04:29 PM
2001 GBM Landau 34' Class A
F53 chassis, Triton V10, TST TPMS
Bigfoot Automatic Leveling System
2011 Toyota RAV4 4WD/Remco pump
ReadyBrute Elite tow bar/Blue Ox baseplate
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Sep-22-2015 04:19 PM
It's his Super Power!