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Old 05-10-2021, 02:20 PM   #1
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Plainfield , Indiana
Join Date: Apr 2021
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which model for new pump?

I may be replacing my Shurflo pump. The OEM model is 4900-0201. I dont see this model listed anymore. Any idea what I should replace it with?
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Old 05-10-2021, 02:35 PM   #2
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2019 25' Flying Cloud
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On Board Fresh Water Pump

You didn't mention year and model of your AS. However, on our 2019 Flying Cloud 25 we just replaced the pump due to a bad check valve. It kept letting the fresh water tank fill up when hooked to city water.

The exact replacement pump is a SHURFLO Revolution 4008. Full # on the UPC Code tag is Model 4008-101-E65, 12VDC, 3.0 GPM, 55 PSI Switch. The UPC Code is 52324 01099. Cost was $121.99 at an RV supply store in Melbourne, Fl.

Rather than go through the hassle of dealing with warranty stuff I just bought it and installed it. Took me maybe 20 minutes to install. No more tank filling due to bad check valve. Later I went in and installed a positive shut off valve to prevent any filling of fresh tank even if the new pump gets a bad check vavle problem. Yes, I have turn the valve to draw water from fresh tank but that is OK with me.

Side Note: I disassembled the old pump and found no crud, junk, grit or grime in check valve. I could see no reason for check vavle not to function as intended. That is when I installed a positive shut off valve. Good Luck!
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Old 05-10-2021, 02:40 PM   #3
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Sorry. The AS is a 2013 FB twin Flying Cloud 25'
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Old 05-10-2021, 03:03 PM   #4
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Alamo Heights , Texas
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Found at a vendor site:

Shurflo RV Water Pump 4048-153-E75
Replaces 5900-0201, 5900-0211, 4900-0201 and 4900-0211
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Old 05-10-2021, 06:09 PM   #5
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2013 23' FB Flying Cloud
Kennewick , Washington
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I just replaced my water pump in my 2013 23FB Flying Cloud. I used the Shurflo 4048153E75 Electric Water Pump which I purchased off Amazon. Specs says it was a direct replacement for the Shurflo 4900 in my AS. The only part that did not fit exactly where the two inside feet on the pump motor, but was no problem installing two new screw holes in the wood floor. It was a fairly easy install about 15 minutes. It is just as noisey as the original.
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Old 05-11-2021, 05:56 AM   #6
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2017 30' International
Charlotte , North Carolina
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Not to hijack this thread, but for DougnJanet, our 2017 Serenity 30 has Shurflo 4008-101-A65 and just last week I added an accumulator tank and remounted it on sorbothane isolation pads, and the noise went from 2 MMA fighters going at it behind the galley cabinetry to a soft purring.

And water flow is constant, not pulsing. I think the tank was 90 percent of the positive results.

For original poster, you may want to consider the accumulator tank as an easy upgrade to add to new pump replacement project.
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Old 05-11-2021, 08:35 AM   #7
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Plainfield , Indiana
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Thanks to all for the info, I really appreciate it.
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Old 05-11-2021, 08:54 AM   #8
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1994 25' Excella
Waukesha , Wisconsin
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Quote:
Originally Posted by uraljohn View Post
You didn't mention year and model of your AS. However, on our 2019 Flying Cloud 25 we just replaced the pump due to a bad check valve. It kept letting the fresh water tank fill up when hooked to city water.

The exact replacement pump is a SHURFLO Revolution 4008. Full # on the UPC Code tag is Model 4008-101-E65, 12VDC, 3.0 GPM, 55 PSI Switch. The UPC Code is 52324 01099. Cost was $121.99 at an RV supply store in Melbourne, Fl.

Rather than go through the hassle of dealing with warranty stuff I just bought it and installed it. Took me maybe 20 minutes to install. No more tank filling due to bad check valve. Later I went in and installed a positive shut off valve to prevent any filling of fresh tank even if the new pump gets a bad check vavle problem. Yes, I have turn the valve to draw water from fresh tank but that is OK with me.

Side Note: I disassembled the old pump and found no crud, junk, grit or grime in check valve. I could see no reason for check vavle not to function as intended. That is when I installed a positive shut off valve. Good Luck!
I took a similar approach when I replaced the pump on my coach. Instead of the shutoff valve though, I installed a brass check valve between the pump and the rest of the plumbing. It permits the pump to function normally, and takes the pressure off the plastic check valve inside the pump. Hoping it aids in longevity.
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Old 05-11-2021, 09:32 AM   #9
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2019 23' Flying Cloud
2018 22' Sport
LittleCity , Colorado
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Thank you

Quote:
Originally Posted by Al U. Minium View Post
Not to hijack this thread, but for DougnJanet, our 2017 Serenity 30 has Shurflo 4008-101-A65 and just last week I added an accumulator tank and remounted it on sorbothane isolation pads, and the noise went from 2 MMA fighters going at it behind the galley cabinetry to a soft purring.

And water flow is constant, not pulsing. I think the tank was 90 percent of the positive results.

For original poster, you may want to consider the accumulator tank as an easy upgrade to add to new pump replacement project.
Thank you for the accumulator tank and pads suggestion. Just ordered. Any pictures of the install you can share?
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Old 05-11-2021, 05:26 PM   #10
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2019 22' Sport
Carlsbad , California
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Quote:
Originally Posted by El Juncal View Post
Thank you for the accumulator tank and pads suggestion. Just ordered. Any pictures of the install you can share?


I second the additional isolation feet and accumulator tank. Did that in mine a few weeks ago and it made a massive difference in noise and cycling.
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Old 05-11-2021, 08:22 PM   #11
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2017 30' International
Charlotte , North Carolina
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Here is a picture it is hard to see what is going on with the furnace ducts.

I actually moved the pump from the back of the compartment to make the plumbing fixtures I had on hand work. I lose some room but since we don't smuggle we never needed that space.

So from the fresh water tank input, it goes the strainer, then inlet to the pump.

Outlet from pump to one side of the accumulator, then other side of accumulator out to the supply to the rest of the coach.

Used flex lines between pump and accumulator and from accumulator to supply.

Put on about 35psi of air, seemed to be the sweet spot for 55psi switch on the pump.

Mounted accumulator on some boards to route output pipe over the freshwater input line. Also made it easier to attach to floor and can cantilever over the big hole Airstream left in the floor for freshwater tank plumbing.
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Old 05-12-2021, 08:54 AM   #12
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2019 23' Flying Cloud
2018 22' Sport
LittleCity , Colorado
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Thank you for the picture

Super picture and description - thank you!
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Old 05-12-2021, 10:21 PM   #13
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2006 34' Classic S/O
Fort Worth , Texas
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A lot of folks are having water pump back flow problems these days. Always use a filter where the water enters your system. That will solve most of the problems. Also, watch your water source quality. 52 seasons and no pump failures yet, bur always pre-filtered.
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