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How to ensure that batteries give maximum heat

It often happens that the batteries in the apartment are barely warm, while the riser is hot. This happens because of the accumulation of dirt in the lower part of the radiators, which prevents the water from circulating normally. The cleaning method is very simple: it is necessary to put a hot plate under the battery; in 20-30 minutes, the lower part of the radiator will heat up, the dirt will soften and will be washed out by the warm water circulating in the system. Soft tapping with a hammer - and the dirt layers will begin to lag behind the metal and go into the riser. Repeat this procedure with each section of the battery.