Can any body help. Burner is not running long enough to enable the heating system to warm up properly. ---- Prior to the central heating timer kicking in to warm up the heating - If you run the hot water to have a bath and then switch on the central heating system the heating system takes approx 2 hours to warm up the radiators.- The burner kicks in but it shuts off after approx 10 seconds or so. (Why does it shut off so quickly at first ?) It then takes approx 2-3 minutes before the burner ignites again. It is only after about an hour or so of this on off on off on off that the burner begins to run long enough to run hot water through the system.The water pump spins free and there is no sign of limescale in it. I am at a loss as to what is causing this - Help !!
NOT ENOUGH INFO TO WHAT TYPE OF SYSTEM IT IS BUT IF ITS A COMBI BOILER IT COULD BE A FAULTY DIVERTOR VALVE OR TEMPERATURE SENSOR, IF ITS A STANDARD BOILER IT COULD BE A FAULTY ZONE VALVE. BETTER GETTING IN TOUCH WITH A QUALIFIED HEATING ENGINEER WHICH WONT BE EASY AT THIS TIME OF YEAR, IF YOU DO MAKE SURE YOU KNOW THE CALL OUT CHARGES
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