Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)
Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie
Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

Underfloor heating in timber frame house

  • 10-01-2013 12:24am
    #1
    ciaranie
    Registered Users, Registered Users 2 Posts: 8 ✭


    Hi,
    I have underfloor heating in a timber frame house and every time the pump runs on the underfloor heating the noise vibrates through the house. Has anyone else come across this? It's worse at the start but when the pumps running a couple of minutes it become less noisy(when the actuator opens fully).

    Thanks


Comments

  • #2
    Cedrus
    Registered Users, Registered Users 2 Posts: 1,429 ✭✭✭Cedrus


    Where/how is the pump mounted?
    It sounds like vibration, either because the pump is mounted rigidly to something that can transfer the vibration through the house (like a timber stud) OR the pump is not really mounted to anything and is being held by the pipework which is transferring the vibration, possibly even hopping off the nearest structure as well. As the water starts moving the load on the pump eases and the vibration will also lessen.

    If it's the first case. you might get away with just loosening the screws although rubber washers/mounts would be better, sometimes a bracket to a concrete floor instead of a timber stud is needed.
    If it's the second, then start with a pump bracket to something solid, maybe use the rubber mounts if the pump is too far away from the floor. After that you'll need to find any spots where the pipes could be touching/hitting the structure and isolate these using either rubber strips or some foam pipe insulation.


  • #3
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    ciaranie wrote: »
    Hi,
    I have underfloor heating in a timber frame house and every time the pump runs on the underfloor heating the noise vibrates through the house. Has anyone else come across this? It's worse at the start but when the pumps running a couple of minutes it become less noisy(when the actuator opens fully).

    Thanks
    As it improves when the actuator is fully open, it sounds more like an flow issue. The water being pumped has nowhere to go until the actuators are fully open. Is there any loops on the manifold that are open loop, i.e. no actuator. If not, remove one of then & see if the problem persists. This will 100% tell you if this is the issue.
    If this resolved it, remove the hall loop actuator permanently and turn that stat down to zero. This loop will always heat whenever there is a call for heat from another loop.
    A more permanent fix is to incorporate an ABV but this a drain down situation.


  • #4
    ciaranie
    Registered Users, Registered Users 2 Posts: 8 ✭ciaranie


    shane0007 wrote: »
    As it improves when the actuator is fully open, it sounds more like an flow issue. The water being pumped has nowhere to go until the actuators are fully open. Is there any loops on the manifold that are open loop, i.e. no actuator. If not, remove one of then & see if the problem persists. This will 100% tell you if this is the issue.
    If this resolved it, remove the hall loop actuator permanently and turn that stat down to zero. This loop will always heat whenever there is a call for heat from another loop.
    A more permanent fix is to incorporate an ABV but this a drain down situation.

    Opened a loop last nite made a big difference when pumps starts. Thanks for the advice, gonna look into an ABV now. Thanks


  • #5
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    ciaranie wrote: »
    Opened a loop last nite made a big difference when pumps starts. Thanks for the advice, gonna look into an ABV now. Thanks

    Another check would be a wiring issue. The stat should be calling in the actuator and then the actuator calls in the UFH circulating pump and also the boiler circulating pump. If the stat is calling in the actuator plus the boiler pump at the same time, this would also give the same symptom.

    If so, it is a simple re-wiring adjustment, but it is also good practice to install an ABV.


Advertisement