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Potterton Myson C40 c40/12 Gas - Boiler Efficiency Ratings

Boiler Efficiency Rating

You can check your boilers rating by selecting it's make and model below. Ratings are based on the SEDBUK Rating which is an indicator of its efficiency when used within an average domestic household, it's a great benchmark for comparing new boilers and also assessing whether your current boiler would be better off being replaced due to low efficiencies.

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Potterton Myson C40 c40/12 Efficiency

SAP seasonal efficiency55%
Rating bandUnknown


ManufacturerPotterton Myson Boilers
ModelC40 c40/12
Fuel TypeGas
Flue TypeOpen
FanNo Fan
Output (kW)11.1 - 11.1
Boiler ID4159586
Manufactured From/ToUnknown - 1976


The Potterton Myson C40 c40/12 is unrated, this probably means it's obsolete or very old.

The C40 c40/12 is a Non-Condensing Conventional boiler with a maximum power output of 11.1kw 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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(Non-Condensing Gas Conventional)

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