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Thorn EMI Heating Marathon 700b Gas - Boiler Efficiency Ratings

Boiler Efficiency Rating

You can find out the energy efficiency of your boiler by checking its energy rating; you can do this now by selecting the make and model below.

A boiler’s energy rating is an indicator of its efficiency when used within an average domestic household. It's a great benchmark for comparing new boilers and can help you work out how much money you could save on energy bills if you replaced your current boiler with a more efficient model.

For new boiler installations call British Gas Boilers on 0800 327 7119 for a no-obligation quote. Alternatively visit Boiler Guide to request quotes from independent local and regional heating engineers.

Thorn EMI Heating Marathon 700b Efficiency

SAP seasonal efficiency65%
Rating bandUnknown

Specification

ManufacturerThorn EMI Heating Boilers
ModelMarathon 700b
Fuel TypeGas
TypeConventional
MethodNon-Condensing
Flue TypeRoom-Sealed
FanNo Fan
Output (kW)17.6 - 20.5
Boiler ID4149411
Manufactured From/ToUnknown - 1997
SEDBUK Rating

Summary

The Thorn EMI Heating Marathon 700b is unrated, this probably means it's obsolete or very old.

The Marathon 700b is a Non-Condensing Conventional boiler with a maximum power output of 20.5kw that uses Gas as its fuel source.

Being an Unrated boiler it would be worthwhile replacing it with a higher efficiency 'A' rated boiler.

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