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Good Afternoon all- Looking for help. I have a Siemens RWB 1007 heating controller that I need to reset the Service Interval on. I am the home owner and on the User Instructions it does not explain how to set/unset this function. Can any-one help on this. Many Thanks David

Thanks for your suggestions to date. Still waiting for engineer to call to replace ball valve in feed tank and hopefully sort hot water fault(still checking level and will top up if required) Contacted Gledhill and they feel that the store tank level is low. Drained some water from store...

Re previous note No Hot water but central heating works fine Have drained some water from store tank and the store will not refill from the feed tank.Did not want to empty store completely as I may have a problem with it refilling. Can feed a lenght of curtain wire through feed pipe for approx...

Hot water lasts only 10-20 seconds before turning cold.Both PCBs appear to be working. Thermostat switches power on though does not last very long Could I have a faulty thermostat or could an air lock possibly be the problem.Problem only started recentl Central Heating works fine...