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Struggling motorised valve

  • 30-03-2018 2:51pm
    #1
    Happy_Harry
    Registered Users, Registered Users 2 Posts: 701 ✭✭✭


    The motorised valve for one of my heating zones is struggling, meaning the head doesn't manage to open the valve. Once I manually help it with the little lever , it is fine and will even close again by itself once no more heat is called for.

    When I take off the head and call for heat I can see the motor turning , but when it is on the valve , it seems not strong enough to turn the valve in the open position. It is strong enough to close it again.

    The valve is a Sunvic 2 port motorised valve..

    Is this end of life or is there anything I can do ? I have a spare but I am trying to avoid having to wire it... nightmare :eek:

    Thanks


Comments

  • #2
    xl500
    Registered Users, Registered Users 2 Posts: 901 ✭✭✭xl500


    Happy_Harry wrote: »
    The motorised valve for one of my heating zones is struggling, meaning the head doesn't manage to open the valve. Once I manually help it with the little lever , it is fine and will even close again by itself once no more heat is called for.

    When I take off the head and call for heat I can see the motor turning , but when it is on the valve , it seems not strong enough to turn the valve in the open position. It is strong enough to close it again.

    The valve is a Sunvic 2 port motorised valve..

    Is this end of life or is there anything I can do ? I have a spare but I am trying to avoid having to wire it... nightmare :eek:

    Thanks

    http://www.seered.co.uk/sunvic.htm


  • #3
    Happy_Harry
    Registered Users, Registered Users 2 Posts: 701 ✭✭✭Happy_Harry


    xl500 wrote: »
    http://www.seered.co.uk/sunvic.htm

    Thanks a mill, lots of information on it, have sent him an email as well


  • #4
    Happy_Harry
    Registered Users, Registered Users 2 Posts: 701 ✭✭✭Happy_Harry


    As per the man's advice. I applied good old WD40 and took some pliers and turned the spindle open and closed 50 times..Now the motor seems to be able to handle it again. Let's see for how long


  • #5
    xl500
    Registered Users, Registered Users 2 Posts: 901 ✭✭✭xl500


    Happy_Harry wrote: »
    As per the man's advice. I applied good old WD40 and took some pliers and turned the spindle open and closed 50 times..Now the motor seems to be able to handle it again. Let's see for how long

    Sounds Like Valve is on the Way out If you are going to replace I would recommend these never have a problem with them you dont say how many zones you have but I would replace them all at the same time one drain down and its done

    https://www.amazon.co.uk/Honeywell-V4043H-Valve-Normally-Closed/dp/B001ANU6UA/ref=sr_1_1?ie=UTF8&qid=1523085141&sr=8-1&keywords=honeywell+valve


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