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My Vaillant ecotec plus 428 boiler lets me set both water temperature and heating temperature. My hot water cylinders also have a thermostat on them.
I want the hot water in the cylinders at 60C. I've currently got the thermostats on the cylinders at 60 and the water temperature on the boiler set to max at 65. Is this sensible, or should I turn the boiler down?
The heating is current set to the max - 75C. Am I right that turning this temperature down slightly could be more energy efficient?
I want the hot water in the cylinders at 60C. I've currently got the thermostats on the cylinders at 60 and the water temperature on the boiler set to max at 65. Is this sensible, or should I turn the boiler down?
The heating is current set to the max - 75C. Am I right that turning this temperature down slightly could be more energy efficient?