Another Truma Submersible Water Pump Thread

JaneandIain
JaneandIain Forum Participant Posts: 21
edited August 2022 in Caravans #1

Morning everyone, and sorry for starting yet another Truma Pump thread.

 Our Truma submersible pump (connecting through an Ultraflow connection) has suddenly started  blowing the 7.5A fuse (3 yesterday alone). common sense says it’s likely to be an issue with the pump, particularly as when we bought our van we were told we had to keep turning pump on and off on the main control panel, not allowing the Whale pressure switch to do its job. Obviously occasionally we have forgotten to turn it off and the pump has therefore kept running.

 Having checked it yesterday, I have tried spinning the impeller at the bottom of the pump, and to my untrained brain it seems fairly stiff. I’m guessing it should spin quite freely?

 Logic says to me it’s most likely a pump issue rather than a sudden fault in the electrics, so I’m figuring a replacement Whale pump might be the way to go.

 

 

 

Comments

  • richardandros
    richardandros Club Member Posts: 2,681 ✭✭✭
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    edited August 2022 #2

    Just after we took delivery of our van, I swapped both the external (Truma) and internal (Reich) pump for Whale High Flows. The shower pressure / flow rate is now as good as our showers at home. A vast improvement on the original Truma pump in many ways.

    The impeller shouldn't be stiff so it sounds as if it's had it. Most caravan accessory shops have the Whale pump with a Truma socket and from memory, I think I paid about £55 for one.

  • JaneandIain
    JaneandIain Forum Participant Posts: 21
    edited August 2022 #3

    Thanks. I think that’s the way I’m going to go as a first option, as it does seem the pump is the likely culprit.

  • commeyras
    commeyras Forum Participant Posts: 1,853
    1000 Comments
    edited August 2022 #4

    Yes agree with above.  It sounds very much like the pump.  You should not have to turn it on and off at the control panel and the impeller should turn freely.  

  • clarinetman
    clarinetman Forum Participant Posts: 265
    edited August 2022 #5

    I had this on a Whale pump kept blowing fuse, rang Whale and they said the pump had got water in it!
    Thought that was its purpose new pump required.

  • JaneandIain
    JaneandIain Forum Participant Posts: 21
    edited September 2022 #6

    Thanks to all who answered this thread.

     I've bought a new Whale submersible pump with Truma connection, fitted a 5 amp fuse (as specified by Whale), adjusted the pressure switch, and all seems good now.

    The Truma pump that kept blowing fuses will be consigned to the bin. Only thing I would say is that the Truma cover for the Aquaroll seems much better quality than the Whale version, but that's a minor thing given we now have a working pump.

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