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Baxi Heating Solo WM 40/4 PF 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.

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.

Baxi Heating Solo WM 40/4 PF Efficiency

SAP seasonal efficiency68%
Rating bandUnknown


ManufacturerBaxi Heating Boilers
ModelSolo WM 40/4 PF
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)9.08 - 11.72
Boiler ID4107753
Manufactured From/To1990 - 1993


The Baxi Heating Solo WM 40/4 PF is unrated, this probably means it's obsolete or very old.

The Solo WM 40/4 PF is a Non-Condensing Conventional boiler with a maximum power output of 11.72kw 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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