How Long Can Rv Water Pump Run Continuously
2008 Newmar Canyon Star - 2007 Dodge Dakota Toad - Ready Brute tow bar & brake system - one cat - Sassy 14
Put it on your list and check it first thing in the spring.
2002 Gulf Stream Scenic Cruiser
330 HP Caterpillar 3126-E
3000 Allison Transmission
Neway Freightliner chassis
2017 Buick Envision
Thanks,
Mark
Mr.Mark
2021.5 Pleasure Way Plateau FL Class-B on the Sprinter Chassis
2018 Mini Cooper Hardtop Coupe, 2 dr., 6-speed manual
(SOLD) 2015 Prevost Liberty Coach, 45 ft, 500 hp Volvo
(SOLD) 2008 Monaco Dynasty, 42 ft, 425 hp Cummins
Mr.Mark wrote:
I guess this is going to be a silly question... Would the pump be running if there are no faucets turned on? What is the pump doing in an 'idle' mode?
Thanks,
Mark
I have never seen a pump with an "idle mode". It is usually either ON or OFF. If it is not pumping any fluid to build pressure, it will run continuously until the switch is turned off.
The pump is controlled by two (or more) switches: One or more wall switches (my Tioga has two of them), and the pressure switch that is built in to the pump body. If the wall switch is on, and the pump does not build pressure, it will run until it burns up or until the wall switch is turned off.
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2011 F-150 HD Ecoboost 3.5 V6. 2550 payload, 17,100 GCVWR -
2004 F-150 HD (Traded after 80,000 towing miles)
2007 Rockwood 8314SS 34' travel trailer
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'03 Winnebago Ultimate Advantage 40E / '17 Jeep GC Limited
Another question. My toilet was full when I purchased it from a private party. I've tried the ice in the holding tank and chemicals, but the sensor is still reading 3/4 full. It's a Jayco J 5th wheel,any suggestions?
Also, a previous poster was correct when they said these pumps DON'T rely on water for cooling. They don't.
AFChap wrote:
I have a Shurflo variable speed pump, and it will run at what some might call "idle" mode for various reasons ...no water, improper adjustment, etc. I have found it running on very slowly, and the pump body so hot I could not touch it. Some even say they can run dry with no damage. So, how long can a water pump run without water and not incur damage? ...it depends on the pump, and probably also how long "long" is.
I also discovered my Shurflo 5.7 running very slowly and almost silently a couple month ago but the reason I found it is because it wouldn't pump to a faucet until the switch was turned off then back on again. When I felt of the motor it was too hot to keep my hands on it. Found I could turn the phillips screw in the middle of the head counter clockwise 1/4 turn and it would stop the slow running. Had to do the 1/4 turn a couple of times to stop it completely.
Wagonmaster2
restorodder wrote:
Well,after all these responses I feel better about my mistake. I think the pump is a Shure Flo(looks like the one in the catalog). At least they are not too expensive,and I think I could change it myself,if I needed to. My wife uses the pump to boost water pressure in the shower,when hooked up to city water. Like I always said"operating a MH requires a huge learning curve".
If I'm not mistaken, when you hit the pump button, it is pumping water from your fresh tank and not using the shore water. Your wife is not 'boosting' the shore water, just pumping from the fresh tank.
That's what our manual says about ours.
MM.
2004 Monaco La Palma 36DBD
Workhorse W22 8.1 Gas Allison 1000, 7.1 mpg
2000 LEXUS RX300 FWD 22MPG 4020 LBS
US Gear Brakes
restorodder wrote:
I have heard it over and over again,"the pump will burn up if run without water". Well today I went out to the motor home, to place a light bulb in the water bay(to make sure the sewer lines don't freeze),and found the pump running. It was real quiet because it was not pumping anything. I winterized the coach last week,before I took it to a repair shop,for warranty work.Monday on the trip home I stopped at a rest area and used the toilet,then flushed with antifreeze. The system still had pressure,and I thought it was residual pressure,that would bleed off. Tuesday I worked out in the MH and flushed again,then left the coach until this afternoon. I think the pump has been running since Tuesday afternoon. The pump was warm,but when I connected it to another bottle of antifreeze it started pumping then shut off when it built up pressure. I went inside and checked the pressure,it seems Ok. Am I really lucky or what?
I attended a Fleetwood Rally several years ago and one seminar was conducted by a Shurflo technician. He said they had run a Shurflo pump for a week dry without damage. So you can take it for what it is worth but at least he wasn't a salesman...lol
2015 Grand Design Solitude 320X
2016 Ram 3500 DRW and Cummins
That was over 2 years ago and it is still going strong.
"The Flojet pump can run dry indefinitely"...
Shur-Flo-"Run dry without damage; Built-in check valve prevents backflow up to 200 PSI; ... Can also be used for potable water. Includes on/off switch. ... Max. fluid temperature: 110°F – Pump can run indefinitely without damage"
My posts shouldn't be taken for factual data, and are purely fictional, for entertainment purposes, should not be constituted as related to scientific, technical, engineering, legal, religious, spiritual, or practical advice. After all it's FREE! Amen. ">
Source: https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/24571653/print/true.cfm
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