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Noisy central heating pump

  • 13-07-2016 8:22pm
    #1
    sboyle01
    Registered Users, Registered Users 2 Posts: 243 ✭✭


    I recently got a back boiler installed and have noticed the pump is quite noisy when it comes on. It's in my hot press and it seems to be too close to the wall and this is causing the noise. What would be the best thing to put between the pump and the wall to dampen the noise. It would need to be quite thin.


Comments

  • #2
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    sboyle01 wrote: »
    I recently got a back boiler installed and have noticed the pump is quite noisy when it comes on. It's in my hot press and it seems to be too close to the wall and this is causing the noise. What would be the best thing to put between the pump and the wall to dampen the noise. It would need to be quite thin.

    It shouldn't be noisy at all tbh. Post a pic of the pump and surrounding pipework.


  • #3
    sboyle01
    Registered Users, Registered Users 2 Posts: 243 ✭✭sboyle01


    Dtp1979 wrote: »
    It shouldn't be noisy at all tbh. Post a pic of the pump and surrounding pipework.

    When I prized it out a bit from the wall the noise improved a lot.


  • #4
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    sboyle01 wrote: »
    When I prized it out a bit from the wall the noise improved a lot.

    Pump is upside down.


  • #5
    anthonyos
    Registered Users, Registered Users 2 Posts: 1,019 ✭✭✭anthonyos


    That is exactly the way they tell you in the instructions not to fit the pump


  • #6
    sboyle01
    Registered Users, Registered Users 2 Posts: 243 ✭✭sboyle01


    anthonyos wrote: »
    That is exactly the way they tell you in the instructions not to fit the pump

    What problems will this cause?


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  • #7
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,378 Mod ✭✭✭✭Wearb


    sboyle01 wrote: »
    What problems will this cause?

    Haven't you found out? Isn't that why you are on here. ;)

    Please follow site and charter rules. "Resistance is futile"



  • #8
    sboyle01
    Registered Users, Registered Users 2 Posts: 243 ✭✭sboyle01


    Wearb wrote: »
    Haven't you found out? Isn't that why you are on here. ;)
    Was this done to save time and would it take much to rectify it?


  • #9
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    sboyle01 wrote: »
    Was this done to save time and would it take much to rectify it?

    Yes it's pure laziness on behalf of the installer. I'm assuming the pump is pointing to the left?
    You'll need to turn off both valves, open the 4 screws using either a 4 or 5mm Allen key. There'll be a small but if water. Then twist the pump around until the black plastic box it on the top. Red screw the Allen keys and turn on the pump valves


  • #10
    RJF
    Registered Users, Registered Users 2 Posts: 262 ✭✭RJF


    Sorry lads, there is nothing wrong with the way the pump is installed other than the orientation of the terminal box. The motor shaft is horizontal as it should be. The shaft should never be vertical or inclined. The pump will operate fine in its current position. However it should be rotated 1/4 turn to have the terminal box at the side, not on the top or bottom, with the wiring grommet pointing down.


  • #11
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    RJF wrote: »
    Sorry lads, there is nothing wrong with the way the pump is installed other than the orientation of the terminal box. The motor shaft is horizontal as it should be. The shaft should never be vertical or inclined. The pump will operate fine in its current position. However it should be rotated 1/4 turn to have the terminal box at the side, not on the top or bottom, with the wiring grommet pointing down.

    Maybe the installer didn't bleed the pump
    properly because he was in fear of water running down the front of the pump into the electrical casing


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  • #12
    Tom44
    Registered Users, Registered Users 2 Posts: 950 ✭✭✭Tom44


    Stick a bit of rubber mat between pump and wall would help cushion noise. Upside down electrics doesn't cause vibrations.
    All motors vibrate.

    Preferably electric box should have been rotated to the sides or the top by plumber. To avoid water getting into box if vent plug in the center is screwed opened.

    But there's thousands fitted and working ok like yours through out Ireland.


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