Shurflo pump failure - Motorhome Forums, Motorhome Discussion, Motorhome Chat

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post #1 of 12 (permalink) Old 15-06-2018, 22:21 Thread Starter
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Shurflo pump failure

Hi all,
We had a new pump fitted last year. Just had a month in Spain with no problems. Now back home and it doesnít work. All fuses ok. Tried turning the screw for pressure sensor. Still nothing. Any ideas??🤔🤔
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post #2 of 12 (permalink) Old 15-06-2018, 22:32
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Disconnect the supply to the pump and run another feed directly from the battery. That will tell you if the pump is OK or dead. If the pump is OK Try bypassing the pressure sensor to see if thatís whatís at fault,

Like most faults itís a process of elimination carried out in a logical sequence.

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post #3 of 12 (permalink) Old 17-06-2018, 10:10 Thread Starter
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Thank you Andy. That seems complicated for me so Iíve passed the info to f-in-law. Since posting Iíve spoken to the company who fitted it and they are coming out in 2 weeks.
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post #4 of 12 (permalink) Old 14-08-2019, 23:39
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Shurflo pump 'hunting'

Anyone got any idea why my Shurflo water pump (Trail King 10) is 'hunting' when all taps are closed?
It's coming on every 30 seconds for about 1-2 seconds at a time.
When we turn off the valve between the water tank and the pump, the 'hunting' stops. Turn it back on and it begins again.
We recently repaired a leaking sink tap.

Other than that nothings changed to create the 'hunting'.
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post #5 of 12 (permalink) Old 15-08-2019, 02:13
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Another leak?

Peter
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post #6 of 12 (permalink) Old 15-08-2019, 09:11
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When you repaired the leaking tap you probably moved the pipes this as caused a leak at the next joint
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post #7 of 12 (permalink) Old 15-08-2019, 15:08
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If the hunting stops when you turn off the valve from the tank, it means that the pressurised part of the system is leaking back through the pump.

It may be that you can dismantle the pump and clean the valves, or they could be worn meaning replacement is necessary.

Do you have a filter on the inlet side of the pump? If not, it may be very small particles have prevented the valves sealing properly and it will simply mean a clean.

I'm daft and proud of it.
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post #8 of 12 (permalink) Old 25-09-2019, 10:22
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Quote:
Originally Posted by tugboat View Post
Do you have a filter on the inlet side of the pump? If not, it may be very small particles have prevented the valves sealing properly and it will simply mean a clean.
Sorry to have to ask but I know that you lot can help.....

We are in the (very) sunny Med coast and our Shurflo pump has started hunting, I have discovered a small leak (but probably sufficient), on what I believe is a filter on the inlet side of the Shurflo. It is white polythene, impossible to get at without enough tools and appears to have a mesh gauze inside it. Overall, about 5cm diameter at it's maximum and tapered into the pump. The inlet side is flat and seems to be fitted by lugs into the bowl shaped bit to the pump.

I know that you are going to ask for a pic. but my camera requires to be downloaded to the laptop first and I don't have that here. My only alternative is to send a pic via my phone to one of you to post for me.....

I cannot find anything like it on line (typical Swift I suspect), so finding a suitable replacement is proving difficult....

Any suggestions of suitable bits from my atrocious description ?

Help greatly appreciated, thanks in advance

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post #9 of 12 (permalink) Old 25-09-2019, 10:53
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Google Surflo filters and then select images, loads of various types there that may help you ascertain the correct one for you.

Terry
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post #10 of 12 (permalink) Old 25-09-2019, 12:06
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My hot water tanks leaks a bit out of the pressure valve on the hot water tank outside of the van which causes the surflo to burp every now and again. Could be that. I just turn the water off at bed time and the problem goes away!

Sometimes it does it, sometimes it just doesn't.


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