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A full modulating fan automatically increases or decreases

A full modulating fan automatically increases or decreases its speed according to the amount of gas coming into the boiler depending on the heat demand this process, called modulation, prevents the boiler from either having too little or too much air in the unit for optimal combustion - ensuring high efficiency. Asbn 12kw 1/3 phase output connection option. If you are happy to proceed with the quote, your local engineer will.

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