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Old 08-09-2022, 08:34 PM   #1
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Remco AquaJet55 ARV trouble

I just installed a new Remco 5.3 GPM Pump and from any faucet I get pulsating on an off at 1 second intervals. If I slightly turn on another faucet to a slow dribble it stops. I went as far as removing the flow restrictor from the kitchen faucet and still no help. I do not get it from the shower or washer.

These are variable speed pumps and not supposed to pulsate. I have bled the system 3 times per Remco instructions and no help. Has anyone had this problem with this pump and found a solution. Remco is not being much help and I really like the increased flow from this pump and hoping to find a solution so I donít have to return it.
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Old 08-09-2022, 09:18 PM   #2
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I went thru 4 remco arv55 in my 2019 DSDP.

They never lived up to the hype, and always pulsate.

I am now on my 2nd Flojet R4426143A-12V VFLO 5.0 Constant Flow Water Pressure Pump - 5.0 GPM.

These work as expected, but are much louder.

The first had a leak in the diaphragm, causing it to over heat and shut off. It lasted 7 days.

I am now on day 2 of new one, so will know more after a while.
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Old 08-09-2022, 10:51 PM   #3
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Scott, Iíve used Aquajet AES pumps in two different motorhomes Ė a 2010 Tiffin Allegro Bus and more recently in a 2018 Entegra Cornerstone. Never had a hint of an issue with either one, and Iíll probably install another one in our 2022 Newmar Super Star.

While it may or may not be relevant to your issue, the AES pumps Iíve installed have a max flow rate of 3.4 gallons per minute and a max draw of 6.5 amps. The ARV pumps have a max flow rate of 5.3 gallons per minute and a max draw of 10.0 amps.

Regarding the pulsating you and R.B. experienced with the ARV pumps, Iím thinking the ARV may be too much pump for the plumbing and/or electrical system in your particular coaches. Iíd be inclined to try an AES pump and see if the problem stays the same or goes away.
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Old 08-09-2022, 11:02 PM   #4
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Larry...that's an interesting point. I always choose the biggest motor, but maybe that isn't the best plan.
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Old 08-10-2022, 08:27 AM   #5
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Thanks Larry and Redbaron. That is a interesting point about the pump size, maybe the flow is to much for the plumbing. But interesting that the toilets, shower and washer does not do it. Another thing, I have a pressure gauge and the pumps builds pressure to 80 psi when everything is off, that is a little co concerning in itself. I'm going to give Remco another call and see it they have any other solutions. Bottom line, I really like the increased pressure in the shower, made quite a difference.
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Old 08-10-2022, 09:53 AM   #6
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Hello Scott, the toilet's and the shower does not have restrictions like the faucet's do....
I have the same pump with the same results as you have........I just live with it.
Red Baron and I discussed this in another thread before, as he said to much pump for the sink's and the electronic control in the pump that is non adjustable does not perform very well at all !!
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Old 08-10-2022, 10:17 AM   #7
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I have one in my 16LA, it's fed and feeds the coach with flexible lines. I had the same pump in my dynasty and no issues. I do however use the silverleaf power to trigger a separate 30 amp relay to power the pump as it will blow the factory pump circuit due to current draw.
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Old 08-10-2022, 01:27 PM   #8
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Quote:
Originally Posted by palehorse89 View Post
Hello Scott, the toilet's and the shower does not have restrictions like the faucet's do....
I have the same pump with the same results as you have........I just live with it.
Red Baron and I discussed this in another thread before, as he said to much pump for the sink's and the electronic control in the pump that is non adjustable does not perform very well at all !!

The FloJet that I am using is one that DutchStar Don has mentioned in other threads. 5.0GPM.


The pump is true variable speed (unlike remco), and does not pulsate the sinks.



It is *VERY* loud. 2x Remco, and 3x the OEM pump.



I have finally become used to the sound of the pump.


The pump goes into WOT during toilet and washing machine cycles. The rest of the time it is only WOT when all sinks are in use, or shower and sinks in combination.


So far the 2nd pump seems to be a clear winner. I think my first one was just a bad batch.
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Old 08-12-2022, 11:03 AM   #9
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So I just spoke to Remco tech support about the cycling problem and was told this 5.3 gal per minute pump would not work since I have already removed all the faucet flow restrictors. I ask if the cycling will damage or shorten the life of the pump and was told yes it will burn out the pressure switch. I ask about going to the 3.4 gpm pump and he said it would probably fix the problem but did not sound very reassuring. So off its coming and returned.
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Old 08-12-2022, 12:08 PM   #10
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Our coach is 100% RO water so we depend on pump for all water. Tried all sorts of pumps including Remco and Flojet, both POC in my opinion. Finally settled on non variable speed with accumulator tank. Works for my application. Located pump next to RO system.
Click image for larger version

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Old 08-12-2022, 12:12 PM   #11
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Quote:
Originally Posted by Winepress View Post
Our coach is 100% RO water so we depend on pump for all water. Tried all sorts of pumps including Remco and Flojet, both POC in my opinion. Finally settled on non variable speed with accumulator tank. Works for my application. Located pump next to RO system.
Attachment 373445
This is probably the best answer.
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Old 08-12-2022, 11:43 PM   #12
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[QUOTE=Winepress;6274953]Our coach is 100% RO water so we depend on pump for all water. Tried all sorts of pumps including Remco and Flojet, both POC in my opinion. Finally settled on non variable speed with accumulator tank. Works for my application.

Ahhh, I have been eyeing this one, I'm going to give it a shot now.
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Old 08-13-2022, 08:23 AM   #13
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Quote:
Originally Posted by Winepress View Post
Our coach is 100% RO water so we depend on pump for all water. Tried all sorts of pumps including Remco and Flojet, both POC in my opinion. Finally settled on non variable speed with accumulator tank. Works for my application. Located pump next to RO system.
Attachment 373445
Could you post pictures of your install?
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Old 08-16-2022, 10:39 AM   #14
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Quote:
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Could you post pictures of your install?


Here is the photo but it doesnít show much. I left the OEM pump in its place and re-routed the pump lines to the front bay area on my 4369. This is where the RO system is installed. Always even flow with zero pulsing. Iím still on the hunt for more gpm, but thatís for another day.

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