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gas burner won't switch off. advice needed

  • 08-01-2012 11:20am
    #1
    Shazer01
    Registered Users, Registered Users 2 Posts: 124 ✭✭


    Hi.
    I have a Potterton system . currently it will not stop burning gas. even when the timer is switched off the system still continues to burn gas. i have to switch it off completely before it will stop. Can anyone tell me what i need to do .
    regards.


Comments

  • #2
    Shazer01
    Registered Users, Registered Users 2 Posts: 124 ✭✭Shazer01


    Shazer01 wrote: »
    Hi.
    I have a Potterton system . currently it will not stop burning gas. even when the timer is switched off the system still continues to burn gas. i have to switch it off completely before it will stop. Can anyone tell me what i need to do .
    regards.
    also my hot water and heating are on two separate timers . the hot water for the taps is still working on the timer and it is the heating which is on constantly even when the that timer is switched off.


  • #3
    aujopimur
    Registered Users, Registered Users 2 Posts: 3,953 ✭✭✭aujopimur


    The motorised valve for the heating zone may be stuck in open position.


  • #4
    DGOBS
    Hosted Moderators Posts: 3,496 ✭✭✭DGOBS


    +1 on the motorized valve, but may also be a faulty thermostat (stuck at temp resistance below 5deg, in frost protection mode)


  • #5
    Shazer01
    Registered Users, Registered Users 2 Posts: 124 ✭✭Shazer01


    I have just noticed that when i turn the thermostat down to 0 the heating still stays on. The rads are piping hot. I wanted to heat the water for the shower and noticed this.
    Finally.. The rads upstairs were cold while the rads downstairs were hot. We have a thermostat for upstairs and another for downstairs.


  • #6
    MicktheMan
    Registered Users, Registered Users 2 Posts: 2,880 ✭✭✭MicktheMan


    Try changing the batteries in the stat if they are present. This happened me before.


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  • #7
    Shazer01
    Registered Users, Registered Users 2 Posts: 124 ✭✭Shazer01


    Hi. thanks for the reply . unfortunately theres no batteries in the thermostat.
    Regards


  • #8
    beanie10
    Closed Accounts Posts: 466 ✭✭beanie10


    The problem seems to be with downstairs heating valve alright. Check if the lever on the valve is on the manual position if so release it to auto position. Could also be the auxillary contact switch in the valve is stuck closed, if so valve motor needs to be replaced.


  • #9
    Shazer01
    Registered Users, Registered Users 2 Posts: 124 ✭✭Shazer01


    Hi. how do I do that. i don't even know what i should be looking for. is this valve in the hotpress .


  • #10
    beanie10
    Closed Accounts Posts: 466 ✭✭beanie10


    You should have 3 valves in hotpress. Look at the side of the valve theres a lever. With timeclocks off check that these levers are to automatic position. If not put the lever to automatic position, note these levers should be stiff to move. If the lever is loose then the motor is probably seized in open position in which the motor will have to be replaced. Make sure the timeclocks are turned off when doing these checks


  • #11
    Shazer01
    Registered Users, Registered Users 2 Posts: 124 ✭✭Shazer01


    Got it. thanks beanie. one of them is loose. 2 r tight. Thats obviously the problem. Is that a plumber or a gas installer i need to organise. i appreciate the info . legend


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  • #12
    beanie10
    Closed Accounts Posts: 466 ✭✭beanie10


    Just make sure the room stats are down to lowest setting too and that you can hear them click (this should rule out faulty stat) The motorised valve can be changed by a plumber.


  • #13
    aujopimur
    Registered Users, Registered Users 2 Posts: 3,953 ✭✭✭aujopimur


    Shazer01 wrote: »
    Got it. thanks beanie. one of them is loose. 2 r tight. Thats obviously the problem. Is that a plumber or a gas installer i need to organise. i appreciate the info . legend
    You can buy a replacement actuator, no need to replace the wet side of the valve if you can operate it by hand, it's fairly straight forward , just connect like for like.


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