News, Views & Reviews on Domestic Central Heating, Boiler & Renewable Energy


Get Free, No Obligation Boiler Quotes

Glow-worm Swiftflow 75 Honeywell valve 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 0333 230 5216 for a no-obligation quote. Alternatively visit Boiler Guide to request quotes from independent local and regional heating engineers.

Glow-worm Swiftflow 75 Honeywell valve Efficiency

SAP seasonal efficiency71.4%
Rating bandBand F


ManufacturerGlow-worm Boilers
ModelSwiftflow 75 Honeywell valve
Fuel TypeGas
Flue TypeRoom-Sealed
FanFan Assisted
Output (kW)16.1 - 16.1
Boiler ID47 -313 -14
Manufactured From/To1994 - 1999


The Glow-worm Swiftflow 75 Honeywell valve is an 'F' rated boiler with a poor efficiency of 71.4%.

The Swiftflow 75 Honeywell valve is a Non-Condensing Combi boiler with a maximum power output of 16.1kw that uses Gas as its fuel source.

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

Similar Glow-worm Boilers to the Swiftflow 75 Honeywell valve
(Non-Condensing Gas Combi)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient Combi Gas Boilers