IT DOESN’T TAKE A GENIUS!


The greater the water content of a boiler, the higher the cost to run it.


Boiler 1 Typical High Water Content


Output - 1048kW Gross heat input - 1190.9kW Gas input - 106.99m³/h Water content nominal - 1098 litres To heat water 20°C to 80°C - 264 secs


Emissions:87.32 x 0.1836 - 16.03kg CO2 per heat-up occasion Cost to heat water 20°C to 80°C -£4.05


Boiler 2 - ELCO R3605 Low Water Content


Output - 1043kW Gross heat input - 1183.2kW Gas input - 106.3m³/h Water content nominal - 117 litres To heat water 20°C to 80°C - 28.3 secs


Emissions:87.32 x 0.1836 - 1.7kg CO2 per heat-up occasion Cost to heat water 20°C to 80°C -£0.431


*Based on 7 cold firings per week over 15 years


You do the maths...then call - 01268 546700 or visit www.elco.co.uk/genius


www.cibsejournal.com March 2014 CIBSE Journal 39


Saving £19,760 *


over the lifetime of the boiler


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