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  1. T

    Hive wiring help!!

    Hi, A to 1 on hive B to 3 on hive L to L N to N
  2. T

    worcester bosche 28cdi

    Hi, try this,, remove microswitch from divetor valve, then turn hot water tap on,, manually press microswitchs ,, does boiler come on, if so check flow of water through boiler (ie mains), if it doesn't come on prob with microswitch or pcb.... hope helps TheGasMan22
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    Potterton Puma 80e boiler - pressure won't stabilise

    recheck the pressure when boiler has been left to cool down, it should drop. if not, faulty gauge. The boiler is ok to run at 2bar.. steve
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    Central heating system problem

    1 --- close gate valve through hot water circuit and open 2-3 turns 2 --- increase pump speed to highest setting 3 --- ? faulty thermistor (boiler stat), my need heat sink
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    Potterton Puma 80e boiler - pressure won't stabilise

    turn off boiler from switch and bleed any radiator, catch water into a dish or any container until pressure goes down to 1 to 1.5 bar.
  6. T

    my myson apollo boiler

    check expansion tank in loft, is it empty ?
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