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Subject Topic: Replacing Crystal Wayer System Pump Post Reply Post New Topic
28/5/2018 at 4:38pm
 Location: Lostock Bolton
 Outfit: Seift Corniche 12 2 1985
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The pump seems to have packed up on our Carver Crystal Water System. It’s a 1985 van with the original mark 1 system / submersible pump. Does anyone have a link to a video showing us how to replace the pump? Or instructions? Or is there a better, easy alternative? Thanks in advance.


28/5/2018 at 6:08pm
 Location: East Herts
 Outfit: 1992 Elddis Wisp 450CT + X Trail
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Does the pump not simply unplug from a socket on the side of the caravan?

-------------
Best Regards,
Colin


29/5/2018 at 3:14pm
 Location: Lostock Bolton
 Outfit: Seift Corniche 12 2 1985
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No, unfortunately not. It’s the original one which is permanently connected.


29/5/2018 at 3:40pm
 Location: East Herts
 Outfit: 1992 Elddis Wisp 450CT + X Trail
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Ah, I think I know the one. My last caravan had something like it, but it was badly damaged and bodged, so I replaced the whole assembly. That was on a 1988 Elddis Tornado.

The only other thing I can think of is to cut the pump off the pipe and buy a push-fit one. Are you sure it's the pump though? It could be a problem with a tap microswitch, and have you checked the fuses?

-------------
Best Regards,
Colin


29/5/2018 at 3:44pm
 Location: Lostock Bolton
 Outfit: Seift Corniche 12 2 1985
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Is the same with all the taps - little or no water and the pump sounds very feeble. Could this be the fuse?


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29/5/2018 at 3:44pm
 Location: Lostock Bolton
 Outfit: Seift Corniche 12 2 1985
View HLSW's Profile View Profile   Reply to HLSW Reply   Quote HLSW Quote  
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Or the electrical connection?


29/5/2018 at 5:14pm
 Location: East Herts
 Outfit: 1992 Elddis Wisp 450CT + X Trail
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No, that can't be a fuse, might be an electrical connection but unlikely. The only way to check that would be to check the voltage with a meter at the pump connection. Might be the pump or a blockage, or a stuck non-return valve. I had that on my water heater recently. Because the water inlet on my last caravan was in such a mess I changed the whole thing for a truma ultraflow inlet. This has a pistol-type plug-in connection.

-------------
Best Regards,
Colin


29/5/2018 at 5:37pm
 Location: Lostock Bolton
 Outfit: Seift Corniche 12 2 1985
View HLSW's Profile View Profile   Reply to HLSW Reply   Quote HLSW Quote  
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Thank you I’ll get hold of a volt meter.


29/5/2018 at 5:38pm
 Location: Lostock Bolton
 Outfit: Seift Corniche 12 2 1985
View HLSW's Profile View Profile   Reply to HLSW Reply   Quote HLSW Quote  
Joined: 19/11/2017

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How would I check for a blockage?


29/5/2018 at 6:18pm
 Location: East Herts
 Outfit: 1992 Elddis Wisp 450CT + X Trail
View Colin21's Profile View Profile   Reply to Colin21 Reply   Quote Colin21 Quote  
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I would start by removing a pipe close to where the water comes into the van. Use a jug or a bottle to catch the water and briefly turn a tap on to start the pump. If the flow is ok there, the pump is fine. Then work down each pipe repeating the process. If all taps are affected then any blockage or stuck valves are likely to be near where the water enters the van. I don't know your van, so I don't know where all the pipes split off to go to each tap, but the problem is most likely to be before the first of these joints.

-------------
Best Regards,
Colin



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