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    Riello 40 g3b (oil boiler)

    Start at the tank and bleed any filters before doing anything on the burner. If you have an isolation tap at the burner, turn it off and remove the flexible hose into the oil pump so you can be sure you have oil to that point. Replace that hose, then remove the hexagon plug at the bottom of the...
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    Boiler lock out after firing

    I would try a new photocell for what it costs before a control box.At that age, a boxand cell would only be about £50-£60. (i'm assuming a B11 burner.)
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    Worcester 12/18 danesmoor oil schmelly when operating

    Riello pumps are notorious for leaking from the shaft seal when running. This creates a smell, but the heat of the pump and motor evaporates any leaks. disconnect and remove the pump to check.
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    Boiler lock out after firing

    Have you tried firing the burner wit the photocell out, but covered and releasing to light when fired? If the burner continues normally, then further inspection of the flame pattern etc is required. Have you tried the start up with a pressure gauge on the pump? It could be that the initial...
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    Oil boiler - intermittent lockout

    If you can see spark through the peephole, then so can the photocell. This can give a false flame signal that causes lockout and stop the solenoid valve opening.
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    New boiler - electric shower question

    When the Government says you can only buy electric cars from 2030, there is not a lot of action you can take. When we were told and encouraged to buy diesel cars and even given financial inducement to do so, what else can you do? You can't blame installers or manufacturers whovhave to comply...
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    HRM Wallstar lockout

    If there is no movement in the solenoid stem, then that is faulty.
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    Riello 40 FS10/GS10 not firing up in winter

    OOPS!
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    Riello 40 FS10/GS10 not firing up in winter

    what oil is this running on, 35 sec 0r 28 sec?
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    Worcester Bosch Riello burnerd

    Sooted boiler is ALWAYS down to too much fuel/too little air. Having taken out the burner and cleaned it is insufficient; you need to clean out all the baffles and flueways and ensure that the air intake is clear and that the burner fan is clear. As long as the burner runs when clean, the tiger...
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    2 Tall radiators not getting hot only tepid

    Are both rads off the same single 10mm feed? If so, you may be trying to get a quart out of a pint pot.
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    Frost stat heating radiators

    The manufacturers recommendation is for the pipe frost stat to be set at 25c ish. This means that the indoor circuit will be above this before the return reaches in the target temperature in the garage. In the past, where customers have baulked at the 'waste' of fuel, I have moved the pipe stat...
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    Wallstar 15/20 green light but nothing else

    You need to start following circuits as already suggested by @Stuckinarut .
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    Central heating circulator and cycling

    If it cuts out and restarts instead of running continuously and you are still warm, then you are saving. At a lower setting, the circulator is not clearing the heat in the heat exchanger so it cycles until return water lowers the boiler. As long as you are warm enough, boiler cycling will save...
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    Testing oil boiler burner before system fill?

    What do you mean by testing? A quick couple of minutes would probably do little harm, but as the thermostats would not be active, longer running could be very detrimental, even dangerous.
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    Oil Boiler Won't fire after service

    Have you had a delivery of oil since the service? If so, you may have disturbed the sediment in the tank and sucked this through. You need to thoroughly purge the oil supply from the tank, through any filters (cleaning/replacing them ) and not forgetting the filter in the pump. All this should...
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    Rayburn 368k Glow Coils not lasting

    Anything 386K is expensive. The Glow plug lights a small reservoir beneath the thermocouple, and once that is hot, the ignition circuit is shut off and the main solenoid opens. It takes time for the flame to build up. You also need to ensure the flueways and fan are clear. Blocked flueways...
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    Rayburn 368k Glow Coils not lasting

    Have you checked the ignition transformer voltage? When flame established, does the current cease from the transformer? Either situation will overload the element and produce the result you have. Time to get the multimeter out.
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    Drain valve leaking and need help confirming replacement

    If you want to try something other than replacement which would require draining down, scrape off the crud, loosen it slightly and clean out as much as possible, then pu several winds of ptfe round the exposed thread and retighten. This could last until the time of year is more favourable.
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    Villager gas stove/fire replacement thermocouple

    https://www.fireboxstoves.co.uk/product/arada-spares/OBSOLETEThermoco-SAA7480?srsltid=AfmBOoomoOzd0q4C5p50NJU51SzEeCUTNwMNfnWANACeBOSORY4vDU6i Have you tried these?
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