Recent content by scotty875

  1. S

    Central Heating always on my Boilermate 3.

    Thanks again for the replies,it was indeed the main pcb board, paid about £140 for it.
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    Central Heating always on my Boilermate 3.

    Ok, so today swspped the mid position Valve and head and same symptoms persist however the old one looked and felt on its last legs so not entirely awasted couple of hours.I'm now back to thinking the cause of the CH staying on its the main circuit board.these are going for about £160 and the...
  3. S

    Central Heating always on my Boilermate 3.

    I have now noticed CH coming on every time the store is calling for heat, thanks for the direction picasso. Today I finally figured out how to take the head off, the valve spindle is fine as is the motor and the cam lobes are working the switches ok. When I switch the store off the valve is...
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    Central Heating always on my Boilermate 3.

    About an inch, had a go at it yesterday,might clear with force,the cover is fairly flexible and judging from the calcium on the pipes it looks like that might have been persuaded like that before
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  6. 30ort

    30ort

  7. S

    Central Heating always on my Boilermate 3.

    I'm trying to nurse it through one more winter, I'm not flush with money currently. There can't be many left, truly awful as you say. I'm suspecting the control board at the moment until I can rule out the 3 port and motor. The fact that I can't clear the pipe above the motor casing makes me...
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    Central Heating always on my Boilermate 3.

    Hi all. This is my first post after several visits to DIYnot. I'm trying to diagnose the cause of my random CH and have searched through alot of similar posts so forgive me for posting something that seems quite commonplace at this time of year. Over the years my CH issues have been dealt...
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    Untitled

  12. Boilermate3

    Boilermate3

    Circiut boards and 3port valve.
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