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Potterton Myson Rs38/11 rs38/11 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 Rs38/11 rs38/11 Efficiency

SAP seasonal efficiency55%
Rating bandUnknown


ManufacturerPotterton Myson Boilers
ModelRs38/11 rs38/11
Fuel TypeGas
Flue TypeRoom-Sealed
FanNo Fan
Output (kW)10.56 - 10.56
Boiler ID4159529
Manufactured From/ToUnknown - 1976


The Potterton Myson Rs38/11 rs38/11 is unrated, this probably means it's obsolete or very old.

The Rs38/11 rs38/11 is a Non-Condensing Conventional boiler with a maximum power output of 10.56kw 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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