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sporticus

My Potterton Suprima 40 Boiler Won't Shut Down

My Suprima 40L boiler won't shut itself down when the CH is on, even if it exceeds the thermostat required temp. We have to shut the system down by flicking the fuse switch to off. Even when we move...
12:30 Sun 08th Dec 20132 answers, last by Hymie 17:06 Sun 08th Dec 2013
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sporticus

My Potterton Suprima 40L Boiler Won't Sut Down

My Suprima 40L boiler won't shut itself down, even if it exceeds the thermostat required temp. We have to shut the system down by flicking the fuse switch to off. Even when we move the CH control...
12:22 Sun 08th Dec 20131 answer, last by Iggle Piggle 16:34 Fri 27th Dec 2013

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