Boilers DS use a technique of the lower combustion, which is the most efficient and ecological types of fuel combustion in boilers with manual charge. The layer of heat is maintained at a constant level, so that the fuel is burned in an effective and energy efficient way. In addition, the lower combustion has lower emissions, better fuel-burning, lower temperature of the exhaust gas. Boiler has much higher efficiency that exceeds 86%. The operation does not require the use of electricity - boilers operate with natural air flow and the temperature is controlled mechanically by turning the hinged flap in the door or by draft regulator (accessory). In addition, the boiler equipped with the ability to adjust the secondary air stream. The boilers have a built-in cooling coil allows for installation in a closed system. #boiler #cooper #Defro #eco #ecoterm #fuel #gas #solid #term
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