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  1. #1

    Defective high pressure pump... water from nozzle bar, even when pump is off.

    I have a Filtreau HF30 and it's been working just fine, but today I noticed that there is a constant flow of water from the nozzle bar, which continues even if the high pressure pump is switched off. The flow is pretty slow and there's barely anything from the last of the nozzles.

    The pump was supplied with the drum so I'll give the supplier a call but wondered whether it's a problem anyone's had before and managed to fix themselves.

    The pump is fed from a water butt that's connected to mains water via a cistern type inlet valve that keeps it topped up. I wonder whether there's a damaged seal in the pump and the pressure from the water butt (about 0.8m of head) is forcing water through?

    Cheers



  2. #2
    Senior Member Rank = Mature Champion andikoi's Avatar
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    If the water butt water level is higher than your spraybar height.then water is prbably being pushed through.try lowering water level in water butt and see if it stops it.thats my theory.andi

  3. #3
    Extreme Koi Member Rank = Kyusai 1meterchag's Avatar
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    I agree with andikoi if the water level is higher than your spray bar the water will trickle through because of gravity.

    Can you change where the cleaning pump sucks from? Maybe from clean side of drum?

    Alex

  4. #4
    Thanks both.

    I originally had it feeding from the clean side of the drum, but on a couple of occasions it went into continuous cleaning cycle that dropped the water level in the pond by a worrying amount. The water butt worked really well and the chlorinated water keeps the drum pristine... would prefer not to go back to drawing from the drum.

    I'll try dropping the level of the valve to reduce the pressure... see what happens!

  5. #5
    Happened to me when I had my header tank higher than the drum, which in hindsight was a bit dumb.
    Moved it to low level and worked as expected.


    Sent from my iPhone using Tapatalk

  6. #6
    Yup... I feel a little dumb now! It was working absolutely fine, but I've dropped the level of the pump by around 30cm... I hadn't noticed the 'leaking' from the nozzles, but I assume it's been doing it ever since then due to the increased head. Duh.
    Last edited by fatgus; 02-12-2018 at 10:43 PM.

  7. #7
    Senior Member Rank = Mature Champion andikoi's Avatar
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    i knew someone else had had this issue,just couldnt remember who bcc lol,andi

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  9. #8
    One of a few daft “that looks great” ideas I had lol


    Sent from my iPhone using Tapatalk

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  11. #9
    Senior Member Rank = Mature Champion andikoi's Avatar
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    mine was building a pond and buying 2 used drums hahahahaha,andi

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  13. #10
    Switched off the water and pump and let it 'leak' all day... by the time I got home it had stopped, so I guess that'd the max head the pump can cope with. I moved the inlet valve so the water level will be about two inches below that max... hopefully that's sufficient safety margin and problem solved. I feel pretty dumb for not realising that I'd cause exactly this problem when I dropped the pump level, but it's sorted now... thanks for the help

 

 

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