They feature as standard a micro-processor that allows cascade control of up to eight boilers with a maximum output of 1440 kW. Simply by adding an outside-air sensor, a weather-compensation program can be activated.
The smaller boiler in the CG range has a single stainless-steel heat exchanger; larger models have double units. With double units, the return water passes through a number of tubes in the condensing unit and then through the primary heat exchanger to optimise the condensing process.
The standard specification also includes modulating stainless-steel premix burner, integral flue fan, circulation pump, frost protection and DHW control. Optional equipment includes flow- and return-water manifolds and various flue options.
The new range qualifies for Enhanced Capital Allowances.
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