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    Expantion Cistern overflows

    They dont call it green for nothing.
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    radiators on but heating is off?

    or even the ability.
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    wot heating system

    Its an open vented fully pumped heating & hot water system (sounds like a y plan)with a low pressure tank fed domestic hot water supply with a 3kw electric immersion heater back up.
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    feed & expansion tank boiling over

    sounds like u might have a blockage on the cold feed out of the tank to the system. often on the tee to the cylinder return if gravity hot water,does water trickle out of the vent over into the tank. vent may not be high enough either.
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    radiators on but heating is off?

    unless prawnstar can give a reasonable amount of detail about his boiler & system it s all wasted speculation going no where.
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    Heating Bangs Once Loadly when Switching Off

    high limit stat would take out the pilot wouldnt it ? does the pump stay running. some thing must of changed if its just started after 18yrs.is it every time the boiler reaches temp or when the system is switched off by the programmer.
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    fitting marble fire surround

    TIMBER NO CHANCE. Buy big bag carlite bonding plaster. will allow build up of 40mm easy. gob a bead all around wall at opening then 4 big blobs to rest of area. then push home back pannel until correct distace off wall for lag rebates. if you really have to pack it use plaser board for...
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    Expantion Cistern overflows

    if its the heating f/e thats over flowing then its clean water entering the heating not causeing smell or contamination. if the heating tanks the higher of the tanks & its the domestic hot water cold tank over flowing the hot water could be contaminated but a drip drip drip ould probably go...
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    air problem

    may be pumping over if tank fed. may be incorrect position of feed & vent or not a tall enough vent over f/e tank. try turning pump on to slowest speed to see if it settle s down.
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    Shower

    looks like a cheap nasty mixer with a pair of Bristan Victorian tap revivers fitted. Hose looks s4agged .no wonder it leaks. replace hose as a start.may be excess back pressure if kinked inside.
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    Integrated dishwasher heat distorting kitchen work top

    When u install a dishwasher u normally get either & metal strip or a special sticker that fastens onto the underside of the worktop before u fix the unit inplace. I would guess it was disgarded resulting in your problem. No steam should leave the machine during the cycle & dont open it until the...
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    Bosch exxel dishwasher

    Thanks for the fedback. checked & no water in base yet it didnt reset itself until i jiggeled around with the red float in the other chamber that also trips the micro switch. there's a small build up of bacterial gunge around the outside of the red float i think it may of bounced up & stuck...
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    Mira excel pressure pulsing

    Not fitted excels for a while. long shot but can it be changed on the back from high to low presure . as that was the case on one of the mira valves. is your hot water hotter than 60 oC
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    Bosch exxel dishwasher

    Bosch exxel Max option dishwasher stuck on pumping out. time allways stays on 43mins to end of cycle but stays on that for hours . try rinse & it stays on 9mins but also carrys on pumping. open door & it would normally stop. lights go off door but it keeps on pumping. I guess theres a pcb gone...
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    Radiator disconnecting query

    its not uncomman for them to leak when shut but its only the water in the rad leaking out when shut so catch it & when rad is drained it should stop.
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    2 rads still wont work

    do u have a one pipe system or a two . is the existing rad piped up in 15mm or 10mm and is the pipework dropped down the wall or is it below the floor.
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    Help with landis & gyr RWB2 mechanical programmer

    if the lights r on on hw & ch then the fault is probably not with the clock, is the hot water getting hot ? depending what type of system u have it could be the pump failed, or pump spindle stuck or a zone valve fault. more info needed . picure of pump/boiler/ cylinder.
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    Radiator disconnecting query

    not seen that make of twin entry valve but normally u would of been able to isolate the rad with the allen stud screwed in & the other valve shut clock wise. on the other rads did they hav a pipe stuck into the valve that slides in the rad to circulate the water to the other end of the rad.
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    McAlpine Shower Drain Installation Question

    did u know the trap outlet is 50mm (2") but comes with a reducer. On a power shower the 50mm waste is recomended.
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    Boiler keeps clicking !!!!

    Could be a board fault or a valve fault but 1st check would be pilot size incase rectification probe is cooling due to the partial blockage on the pilot injector.
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