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Discuss Is it really the timer? in the Central Heating Forum area at UKPlumbersForums.co.uk.

  1. MrShoes

    MrShoes New Member

    Hi,

    I've been having heating problems recently where the heating wasn't always coming on. I have a Worcester Bosch condensing boiler which has recently been serviced, and a Lifestyle LP241 timer.

    The timer lets me set 2 times for each hot water and central heating. What I've found is happening is that the first heating is coming on, but not always the second. Unfortunately I can't even manually turn it on when it stops working. Hot water is always available.

    A plumber has been and he has replaced the 3-way valve and switch for me, as he said that would be the problem (to be fair, the valve pin was broken). It still hasn't fixed it though. The new switch has a manual override but even that doesn't work when it won't come on.

    The plumber came back to check, and lo and behold, the heating was working fine and would come on on demand. Later that day, I couldn't get it on. But he told my wife that we should replace the timer or get a thermostat fitted.

    This doesn't feel right to me, because when I try to manually switch it the pump starts making noise. But all 3 pipes connected to the actuator are cold to the touch. Could it really be that or is something else likely to be happening?

    At the moment I'm having to leave the heating on all day and just control the thermostatic valves in the radiators.
     
  2. jtsplumbing

    jtsplumbing Plumber GSR

    Faulty timer something that you can replace yourself , pop down to local Plumbers outlet and ask for a direct replacement, two screws clip on new timer don't need to alter any wiring
     
  3. MrShoes

    MrShoes New Member

    Thanks, it's good to know, and I see you can get them from Amazon .I took the other off so i can see it should be easy to replace. I probably didn't ask my question right though; is it likely to be my timer? When it hits the time, the pump does start up... I would have thought if the timer wasnt working that would have no effect.
     
  4. Darren Jackson

    Darren Jackson Plumber GSR

    Hi mr shoes, it is hard to say without testing it but it could be the timer, or the new 3 port could be wired wrong. You realy could do with an engineer who know's how to use a multi meter and test all the controls and the boiler for you.
     
  5. Jane Carter

    Jane Carter New Member

    Please concern with a local boiler engineer. I think only a trusted person can do this easily.
     
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