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05-08-2019, 08:46 PM
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#1
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Senior Member
Join Date: Dec 2018
Location: Wood River,IL
Posts: 121
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Flojet water pump help
Pump will pressurize system and shut off then in about ten secs will kick back on and run to pressurize lines again. Checked all lines I can see and underneath TT and can’t find any leaks. I do hear at pump like it has an air leak and losing pressure. Is it time for replacement or can these be repaired. Pump only yr old.
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2018 Bullet Premier 22RBPR
2019 F-150 XLT 5.0 Super Crew FX4
Wood River, IL
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05-08-2019, 09:31 PM
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#2
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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It sounds like there may be some trash in the diaphragm. so the first question would be: Do you have a strainer/filter on the inlet side of the pump? Most Keystone trailers do not have a strainer, so anything in the fresh water tank can be drawn into the pump, causing the type of problems you're having.
You can disassemble the head to clean the diaphragm and rollers. Just be very cautious about how you take it apart so you remember how to reassemble it. Having left over parts is not a good thing.
FloJet water pumps have a 2 year warranty. You'll need to send the pump back for repair/replacement. That usually takes at least 2 weeks. My suggestion would be to clean the diaphragm, if that doesn't work, order a replacement pump from your choice of dealers. Amazon Prime has good prices and you'll have the new pump in hand with 2 day shipping.
Once you have the defective pump out, send it back to FloJet so you'll have a replacement if this ever happens again.
New pumps run between $50-75 for the same model. There's no "pressing need" to upgrade, however if you wish, you can buy pumps costing upwards of $200. Remember, if you change brands you'll also need to buy terminal plumbing fittings to replace the FloJet fittings. If it were me, I'd buy the same brand/model just to eliminate the hassle of changing out the fittings.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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05-08-2019, 11:05 PM
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#3
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Senior Member
Join Date: Feb 2016
Location: SE Michigan
Posts: 1,659
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Personally, I would replace that Flojet pump with a Shurflo if the OEM has failed. I electively replaced my Flojet as it was noisy. The Shurflo I have now is much quieter and is in its 3rd season of use. If you do go this route, you'll have to buy Shurflo elbow adapters as the Flojet adapters are proprietary.
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2017 Keystone Bullet 308BHS in Saddle.
2017 RAM 2500 Laramie Mega Cab 4x4 Hemi 6.4L
2008 GMC Yukon XL Denali (SOLD)
Hensley SwiftArrow Control Hitch with 1000 lb Spring Bars
Me, DW, (3) little DS's, and 1 rambunctious Boston Terrier
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05-09-2019, 04:32 AM
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#4
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Senior Member
Join Date: Oct 2010
Location: Okanagan, BC
Posts: 916
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Quote:
Originally Posted by busterbrown
Personally, I would replace that Flojet pump with a Shurflo if the OEM has failed. I electively replaced my Flojet as it was noisy. The Shurflo I have now is much quieter and is in its 3rd season of use. If you do go this route, you'll have to buy Shurflo elbow adapters as the Flojet adapters are proprietary.
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I did the same about 5 years ago and haven't had to touch the pump since (aside from winterizing).
I also added a expansion tank. The pump cycles less, but longer. But I can get 2-3 toilet flushes at night with the pump turned off.
__________________
2010 Cougar 30RKS
2015 GMC Sierra Max Trailer
"Drinks for 6, Dinner for 4, Sleeps 2"
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05-09-2019, 08:16 AM
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#5
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Senior Member
Join Date: Dec 2018
Location: Wood River,IL
Posts: 121
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Replaced the pump and all is fine now. Thanks to all that replied with your help.
__________________
2018 Bullet Premier 22RBPR
2019 F-150 XLT 5.0 Super Crew FX4
Wood River, IL
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05-09-2019, 01:56 PM
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#6
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Member
Join Date: Apr 2018
Location: Waterloo
Posts: 40
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Quote:
Originally Posted by busterbrown
Personally, I would replace that Flojet pump with a Shurflo if the OEM has failed. I electively replaced my Flojet as it was noisy. The Shurflo I have now is much quieter and is in its 3rd season of use. If you do go this route, you'll have to buy Shurflo elbow adapters as the Flojet adapters are proprietary.
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I agree, the flo jet pumps are soooooo noisey (spelling ???) I replaced mine too and shurflo is much quieter. My pump went because it was left on when the water tank was empty.
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05-15-2019, 01:49 PM
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#7
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Junior Member
Join Date: May 2019
Location: Sutton
Posts: 3
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Water pump help
I have a passport 2770rb. Tried to install a new flojet water pump, when turned on it pushes the water from the tank out the city water line to outside. Not sure we’re I went wrong. Please help
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05-15-2019, 01:53 PM
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#8
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Senior Member
Join Date: Oct 2010
Location: Okanagan, BC
Posts: 916
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Quote:
Originally Posted by Tgriff
I have a passport 2770rb. Tried to install a new flojet water pump, when turned on it pushes the water from the tank out the city water line to outside. Not sure we’re I went wrong. Please help
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Guessing you put the backfill valve on backwards. Should stop water from the city connection from filling the water tank.
__________________
2010 Cougar 30RKS
2015 GMC Sierra Max Trailer
"Drinks for 6, Dinner for 4, Sleeps 2"
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05-15-2019, 01:57 PM
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#9
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Junior Member
Join Date: May 2019
Location: Sutton
Posts: 3
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Where would that be located
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05-15-2019, 01:58 PM
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#10
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Junior Member
Join Date: May 2019
Location: Sutton
Posts: 3
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I’m trying to run off the tank, city line not hooked up.
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05-15-2019, 04:02 PM
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#11
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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The actual city water connector has a "one way valve" built into the connector. What you see on the outside is a garden hose connection. Inside that is a washer and screen. Remove the washer/screen and you'll see a plastic plunger. That is the one way valve core. SOMETIMES (if you're really lucky) you can use needle nose pliers or a screwdriver and reseat that plunger. Often, that won't work so you may need to buy a new city water inlet.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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05-15-2019, 07:10 PM
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#12
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Member
Join Date: Apr 2018
Location: Waterloo
Posts: 40
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I think you connected the pump backwards. Switch the inlet and outlet lines and that should fix the issue.
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05-19-2019, 07:11 AM
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#13
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Junior Member
Join Date: Nov 2010
Posts: 28
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There is a check valve at the city water inlet. Check this first, it's part of the inlet
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05-19-2019, 01:17 PM
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#14
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Member
Join Date: May 2018
Location: Dryden
Posts: 84
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Quote:
Originally Posted by GMcKenzie
I did the same about 5 years ago and haven't had to touch the pump since (aside from winterizing).
I also added a expansion tank. The pump cycles less, but longer. But I can get 2-3 toilet flushes at night with the pump turned off.
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What size tank did you use? 2 gal?
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05-19-2019, 01:33 PM
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#15
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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Quote:
Originally Posted by Tgriff
Where would that be located
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The city water pipe should run through a backflow preventer valve before tying into the RV plumbing on the pressure side of the water pump. Sounds like that valve is missing or reversed. If reversed, the city water shouldn't work at all.
__________________
2019 Cougar 26RBSWE
2019 Ford F-250
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05-20-2019, 12:15 AM
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#16
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Senior Member
Join Date: Oct 2010
Location: Okanagan, BC
Posts: 916
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Quote:
Originally Posted by pitman44
What size tank did you use? 2 gal?
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Sounds about right. Grabbed it from Home Depot and I see the small one on their website (Cdn) is 2.1. I mounted it under the sink.
It's a really cheap upgrade that is easily worth the money.
__________________
2010 Cougar 30RKS
2015 GMC Sierra Max Trailer
"Drinks for 6, Dinner for 4, Sleeps 2"
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07-28-2019, 11:22 AM
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#17
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Junior Member
Join Date: Dec 2018
Location: Derry
Posts: 21
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Once you fill your water tank make sure the valve is all the way in the horizontal position otherwise it will cycle the pump.
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