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Recent content by BSAchris

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    Honeywell ST9400C timer and no hot water

    I've had the same problem,it's driven me mad,I can't afford to call out an engineer,but did check wiring to and from the 9400c and found that there was no power to the pump,although the l.e.d lights on the unit were on nothing was happening.....no hot water and no heating for three days,finally...
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