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09-21-2007, 08:04 AM
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#1
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Member
Join Date: Jul 2000
Location: Mesa, AZ
Posts: 94
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This is one of those "didn't seem to fit anywhere else" questions...
My Lance did it, and now my new fifth wheel does it. Why is it that after time, it gets to where the water pump will cycle from time to time, even when you aren't using it?
Is this something that can be fixed, or is it a "that's just the way it is" thing?
Rob
__________________
2019 Arctic Fox 992 Truck Camper
2006 Keystone Raptor 3814SS
2005 Dodge RAM 3500 QC 4x4 6sp
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09-21-2007, 08:04 AM
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#2
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Member
Join Date: Jul 2000
Location: Mesa, AZ
Posts: 94
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This is one of those "didn't seem to fit anywhere else" questions...
My Lance did it, and now my new fifth wheel does it. Why is it that after time, it gets to where the water pump will cycle from time to time, even when you aren't using it?
Is this something that can be fixed, or is it a "that's just the way it is" thing?
Rob
__________________
2019 Arctic Fox 992 Truck Camper
2006 Keystone Raptor 3814SS
2005 Dodge RAM 3500 QC 4x4 6sp
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09-21-2007, 09:17 AM
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#3
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Junior Member
Join Date: Sep 2007
Location: Garlic Country, CA
Posts: 14
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Yup, our fleetwood does the same. Since I had no apparent leaks, I wondered why as well. It appears the answer lies in the quality of the pump. Very gradually, water seeps backwards through the pump from the pressurized side back to the freshwater tank. Eventually the pressure drops down low enough to trigger the pump again. On ours, it usually goes off once or twice a night. In theory the anti-syphon valve in the pump should prevent this.
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Steve n Dar - 2002 Jamboree 26Q
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09-21-2007, 09:25 AM
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#4
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Administrator in Memoriam
Newmar Owners Club Retired Fire Service RVer's Spartan Chassis
Join Date: May 2000
Location: Newark, DE
Posts: 25,898
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Another possibility;
If you have a water tank fill valve that lets you fill your water tank from you city water connection, it may be defective.
Mine was letting water leak back into the tank.
__________________
Adios, Dirk - '84 Real Lite Truck Camper, '86 Wilderness Cimarron TT, previously 4 years as a fulltimer in a '07 DSDP
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09-21-2007, 10:10 AM
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#5
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Member
Join Date: Jul 2000
Location: Mesa, AZ
Posts: 94
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It must be the pump, then... I don't have that fill valve (wish I did!). I've been wanting to replace the pump with a better, quieter one anyway. Mine cycles about every five minutes, but only for about one second at a time.
Thanks!
Rob
__________________
2019 Arctic Fox 992 Truck Camper
2006 Keystone Raptor 3814SS
2005 Dodge RAM 3500 QC 4x4 6sp
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09-21-2007, 01:11 PM
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#6
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Senior Member
Pond Piggies Club Mid Atlantic Campers
Join Date: Jan 2000
Location: Fayette Ridges of PA, USA
Posts: 999
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I'm pretty sure you do have a check valve on your city water hose connection, though. If you look inside, you should see a round shaft (probably about 3/16" in diameter) in the center that you can push in to relieve the pressure in the water line (and get a brief shower if the water line is pressurized).
You might also consider checking all of your fresh water drain valves for leaks too. You might not easily notice a leak from them because they're under the trailer. Another place to check is the hot water heater's safety pressure release valve. These sometimes can drip when they're defective.
If it makes you feel any better, our water pump used to do this until I installed an accumulator tank.
__________________
2009 GMC Sierra 2500HD | Crew Cab | Standard Box | 4WD | Duramax/Allison
2000 Jayco Eagle 266 | FBS | TT
1986 Coleman Laramie pop-up -- Still in the family!!!
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09-21-2007, 02:56 PM
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#7
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Registered User
Join Date: Feb 2000
Location: Rio Grande Valley, Texas
Posts: 125
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Mine does it also. The ice maker is the culprit on mine. When I shut it off, the cycling stops.
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09-21-2007, 06:57 PM
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#8
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Sep 2005
Location: middleburg,fl
Posts: 572
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Your rig is not that old. I would be inspecting every water line connection I could lay my eyes on.
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Dale & Betty
04 Lapalma 33'
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09-22-2007, 12:59 AM
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#9
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Junior Member
Join Date: Jun 2000
Location: Gulf Coast of Texas
Posts: 23
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Mine was a defective PRV on the water heater. Changed it and no more cycling.
__________________
2006 Rockwood Ultra Lite W/ 2006 Dodge Cummins 2500 4x4
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09-22-2007, 11:20 AM
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#10
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Registered User
Join Date: Mar 2007
Location: Grand Teton National Park, Wyoming
Posts: 61
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I had a problem like this (see July 8,07 posts). I tried EVERYTHING. Checked EVERYTHING. It turned out to be the ShurFlow pump. Sent it to the factory who sent me a new pump. Don't for a second think it isn't the pump as long as you've looked over all the other connections & the city water fill.
If you have a Shurflo call their Tech desk!
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10-31-2007, 12:51 PM
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#11
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Senior Member
Join Date: May 2006
Location: virginia beach
Posts: 236
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Had a very small leak in the waterline feeding the ice maker, fixed, now it turns out to be the icemaker.
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