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Old 08-14-2016, 02:46 PM   #1
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Water Pump Pulses

Hi everyone! A little bit of a problem with my water pump. It's pulsating on demand, as opposed to a smooth running pump. What I have is a brand new Remco industries, 54Rebel-JRV, 4.7 GPM, 60 PSI., clean inlet filter screen, clear line to all faucets.
In looking at the troubleshooting section in the booklet for the pump, I followed the instructions for installing the pulsation dampener. This was no help.
So, in short, as I turn on the water in either sink or shower my water pump pulsates continuously. Any suggestions?
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Old 08-14-2016, 03:02 PM   #2
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There are two types of water pumps. First one cycles on and off
based on pressure, for example it may come on at 20psi and
shut of at 30 psi and cycles this way to satisfy the demand.
Second type is a variable speed pump that increases and
decrease the motor speed to maintain a preset flow.
Don't know what yours was designed to do, however it is
a well regarded pump. Another possibility may be a leak on
the suction side that is allowing air to enter the system,
which can cause pulsing even in the variable speed design.
You will not find any leaks, as air is being drawn in on the
suction side. If you see air in the filter screen housing,
possibly a leak on the suction side.
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Old 08-14-2016, 03:17 PM   #3
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sorry, I Don't know your coach, but do you have an accumulator tank?
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Old 08-14-2016, 03:21 PM   #4
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What were the specs on the old pump. Any possibility that your upgraded new pump is overkill for your system and pulsing due to flow restrictions????
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Old 08-14-2016, 03:22 PM   #5
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No, I don't. And I'm wondering if this will help.
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Old 08-14-2016, 03:26 PM   #6
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Quote:
Originally Posted by TBS-POPS View Post
What were the specs on the old pump. Any possibility that your upgraded new pump is overkill for your system and pulsing due to flow restrictions????
Maybe. I had a sureflo. It was a 5GPM but at 55PSI. This one is 4.7GPM and at 60PSI.But the sureflo pressure switch went bad and I replaced the pump before I knew I could replace the switch on it.
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Old 08-14-2016, 03:35 PM   #7
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Quote:
Originally Posted by macandphyl View Post
There are two types of water pumps. First one cycles on and off
based on pressure, for example it may come on at 20psi and
shut of at 30 psi and cycles this way to satisfy the demand.
Second type is a variable speed pump that increases and
decrease the motor speed to maintain a preset flow.
Don't know what yours was designed to do, however it is
a well regarded pump. Another possibility may be a leak on
the suction side that is allowing air to enter the system,
which can cause pulsing even in the variable speed design.
You will not find any leaks, as air is being drawn in on the
suction side. If you see air in the filter screen housing,
possibly a leak on the suction side.
So there is air in the inlet screen filter housing. I believe my pump is not a variable speed type, so it makes sense that it pulsates some but at the rate it's going it's almost like a badly timed drum roll. From very fast to like 2 beats per second and down to one pulse per 3-4 seconds. This is done randomly. Do you think the air leak on the inlet side can do this?
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Old 08-14-2016, 03:37 PM   #8
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sorry, I Don't know your coach, but do you have an accumulator tank?
No, I don't. And I'm wondering if this will help. Do you have one? And if so, do you have any pulsating issues?
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Old 08-14-2016, 04:39 PM   #9
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I'd like to thank everyone for getting back with me!! And for those who are, but haven't yet, please feel free to post your suggestion!! I'm still looking. As soon as I find my answer, I will be posting that for others to use!! You guys ROCK!!
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Old 08-14-2016, 04:46 PM   #10
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Our new pump (same model) did pulsate as yours but not excessively and only when running on our shower. We found a temporary cure is to put the bath sink on just a little flow and the pulsing stopped. Nothing else seems to help it. Something we live with.
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Old 08-14-2016, 04:53 PM   #11
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Quote:
Originally Posted by SewFishy View Post
Our new pump (same model) did pulsate as yours but not excessively and only when running on our shower. We found a temporary cure is to put the bath sink on just a little flow and the pulsing stopped. Nothing else seems to help it. Something we live with.
Thanks!! Now that's an idea!! My shower pulses more than anything else!! I'm going to try that right now!!
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Old 08-14-2016, 04:58 PM   #12
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Quote:
Originally Posted by Rolldabones View Post
Thanks!! Now that's an idea!! My shower pulses more than anything else!! I'm going to try that right now!!
That DID seem to help!! The pulsing diminished quite a bit with the sink running just a bit. It may be temporary, but it'll work for now!! Thanks a million!!!
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Old 08-14-2016, 05:03 PM   #13
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So for anyone looking at this thread for an answer, the temp fix I used was to run the bathroom basin just a little while using the shower. It uses a bit more water, but the pulsing is either greatly reduced, or non existent. If I find a permanent fix, I'll put it up. Or if y'all have and idea, Throw it on up there!! I will be looking!! Thanks again, everyone for your input!!!!! I love this site!!!!
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Old 08-14-2016, 05:15 PM   #14
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Trying to think this through logically. The fact that it pulses means to me that it is accomplishing the pressure shutting off and then being triggered again to pump more water.

Opening another tap reduces the cycling.

Is there a flow restrictor in your shower? Can you remove it? (you will use more water)!

How difficult would it be to add an accumulator?
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