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Groudfos MQ3 -35 Pump

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  • 05-06-2013 11:17am
    #1
    slayer91
    Registered Users Posts: 232 ✭✭


    Hi,

    After 6 years my grundos pressure booster pump has given up the ghost.
    The motor is fine but the 3stage impellers made of hard plastic has seized. I have manged to free it out but there is serious wear on impellers.

    Can anybody reccomend a place to get spare parts for this pump??
    A new pump cost 380e -450e, can anybody reccomend a cheaper one??

    It boosts the water pressure from supply to 2 bar for showers.

    Regs


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    #2
    LIFFY FISHING
    Registered Users Posts: 1,791 ✭✭✭LIFFY FISHING


    Did u try Grundfoss in Ballymount Rd ?


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    #3
    rightjob!
    Registered Users Posts: 478 ✭✭rightjob!


    slayer91 wrote: »
    Hi,

    After 6 years my grundos pressure booster pump has given up the ghost.
    The motor is fine but the 3stage impellers made of hard plastic has seized. I have manged to free it out but there is serious wear on impellers.

    Can anybody reccomend a place to get spare parts for this pump??
    A new pump cost 380e -450e, can anybody reccomend a cheaper one??

    It boosts the water pressure from supply to 2 bar for showers.

    Regs

    if you cant get it repaired try powers in ballymount,or else change it for a walrus pump half the price of the grundfos


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    #4
    dfin
    Registered Users Posts: 25 ✭dfin


    All you need should be here

    http://net.grundfos.com/Appl/WebCAPS/custom?userid=GMAinternal - (search MQ)

    Even a video!

    http://net.grundfos.com/Appl/WebCAPS/LiteratureDetail?documentid=20596&language=ENU

    I get parts from Grundfos in Ballymount as already mentioned above. From a quick look at the literature the hydraulic service kit is part no. 96525909 but give them a call to make sure

    No idea how much the service kit costs but I would go for that rather than buy cheaper alternative pump


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    #5
    slayer91
    Registered Users Posts: 232 ✭✭slayer91


    Lads,

    Thanks for the info. I rang Grondfos in Ballymount and the reccommeded replacing the hydraulic kit (as per DFIN advice) The cost of this kit is 107e +VAT.
    Need to decide which to go for.
    Is the Warlus pump good???
    The grondofs is an excellent pump but 6 years old, I am not sure about the shaft bearing. It ran very hot during a test run with the impellers removed, but I am assuming it would be cooled by the water passing over it, if I am reading the pump drawings right.

    Update:

    Hydraulic kit for 6 year old pump 14oe
    Warlus TQ 400 320e
    New Groundfos 430e

    Maybe a small bit of price change as they are just from Heat Merchants


    Any comments

    Thanks again for all your advice

    Liam


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    #6
    LIFFY FISHING
    Registered Users Posts: 1,791 ✭✭✭LIFFY FISHING


    IMHO you wouldnt think twice in paying that to have your car serviced, so I would go with the Grundfoss service pack, if all its costing you is 140e after 6 years of constant use wouldnt you think its worth it ?


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    #7
    rightjob!
    Registered Users Posts: 478 ✭✭rightjob!


    no harm in fixing the grundfos great pump.i find the walrus just as good and not as much noise


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    #8
    Hoarej85
    Registered Users Posts: 6 ✭Hoarej85


    I replaced mu Grunfost pump with similar last week, but pressure is not as good as last pump. Any reason for this?


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    #9
    rightjob!
    Registered Users Posts: 478 ✭✭rightjob!


    what pump was it replaced with?


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    #10
    hazart99
    Registered Users Posts: 11 ✭hazart99


    My Grundfos MQ3 35 pump has stopped working after 4 years. Does anyone know any service repair men in Wexford area for these pumps as the come still has power and all so I think it may be something small.


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    #11
    hazart99
    Registered Users Posts: 11 ✭hazart99


    My Grundfos MQ3 35 pump has stopped working after 4 years. Does anyone know any service repair men in Wexford area for these pumps as the come still has power and all so I think it may be something small.


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  • Options
    #12
    SmallBalls
    Registered Users Posts: 533 ✭✭✭SmallBalls


    Grundfos have their own service guys.....I'd be ringing them first.


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    #13
    hazart99
    Registered Users Posts: 11 ✭hazart99


    My Grundfos MQ3 35 pump has stopped working after 4 years. Does anyone know any service repair men in Wexford area for these pumps as the come still has power and all so I think it may be something small.


  • Options
    #14
    hazart99
    Registered Users Posts: 11 ✭hazart99


    My Grundfos MQ3 35 pump has stopped working after 4 years. Does anyone know any service repair men in Wexford area for these pumps as the come still has power and all so I think it may be something small.


  • Options
    #15
    hazart99
    Registered Users Posts: 11 ✭hazart99


    My Grundfos MQ3 35 pump has stopped working after 4 years. Does anyone know any service repair men in Wexford area for these pumps as the come still has power and all so I think it may be something small.


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