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Kikawa KQ400 pump acting up

  • 22-07-2017 1:48pm
    #1
    d31b0y
    Registered Users, Registered Users 2 Posts: 2,028 ✭✭✭


    I have a Kikawa KQ400 pump installed in my home that is acting up. It's taking longer to kick in (5 sec instead of the normal 1-2 sec) and it's not pumping as much water as it used to (it's down to nearly a trickle but it is still slightly better than with no pump at all so it's definitely still pumping something). The cold water tank in the attic is full and no blockages as far as I can see so there should be plenty of water availability.
    I'd guess it's about 10 years old (that's the age of the house anyway).
    What's the average life expectancy on these things?
    Any idea what the issue might be?
    What would be the cost of a similar replacement if required?

    Let me know if you need more info on setup etc.

    Thanks in advance!


Comments

  • #2
    d31b0y
    Registered Users, Registered Users 2 Posts: 2,028 ✭✭✭d31b0y


    I got a response from a crowd called Flow Pumps. I had noticed them mentioned on here relating to the Kikawa pumps before;
    Most likely reason for the problem that you are experiencing, is a partial blockage of the suction screen.
    This is located on the suction side of the pump.
    Undo the two bolts on the suction/inlet flange of pump. Screen is integrated into the black sealing gasket between flange and pump casing.
    Clean filter mesh and reassemble. Hopefully this will sort out your problem.

    I'll give that a whirl later today and see how I get on. If anyone else has any ideas, I am happy to listen! :)


  • #3
    d31b0y
    Registered Users, Registered Users 2 Posts: 2,028 ✭✭✭d31b0y


    Well, it looks like one of the isolation valves isn't doing it's job. Despite having turned all isolation valves connected to the pump, the water will not empty out of the pipes. The attic tank just keeps feeding water.
    What are my options now? I think I have located the dodgy one but it's the only isolation valve on the pipe right back to the water tank. Will I need to empty the tank? Or can I block the flow pipe with a blank of some sort in the attic tank itself?


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