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Mend Worcester 28si Home Heating Systems

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Mend Worcester 28si Help Bosch Boiler

Sunvic Select 107 Problem, Help Please?

I have a Worcester Bosch Boiler 28Si, with a Sunvic Select 107. The boiler produces hot water ok, but when the central heater is on the Sunvic select 107 switches on and off rapidly, attempting to switch the boiler on and off.

Any ideas what may be wrong?

John Minihan
November 2009
Worcester 28siHeating, Home Heating SystemsHelp Bosch Boiler
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