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samjit

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samjit

combi boiler

I have a Vokera combi boiler,when the switch is set to summer and tap is opened I cannot get hot water, however if switch is set to constant and room thermostat is turned up ie calling for heat to...
18:40 Wed 11th Jul 20071 answer, last by gasman 17:14 Sat 14th Jul 2007