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What is a GC Number?

GC stands for gas council number. It’s a identfication system for gas appliances and some specific products. It’s a system that was created by British Gas in collaboration with boiler manufacturers and suppliers.

First two digits. 00-000-00

– First digit specifies the main type of appliances.
– Second digit specifies the type of appliance within the type

Next three digits. 00-000-00
– name of the manufacturer.

Last two digits 00-000-00
– model/sub range identifier

Below is a list of Appliance Types (as defined in the first 2 digits) – this list is not exhaustive
11    =    Cooker Grill
31    =    Gas Fire
35    =    Flued Convector Unit
37    =    Back Boiler Unit
41    =    Central heating Boiler
42    =    Warm Air Heater
44    =    Back Boiler Fire
47    =    Combination Boiler (Combi)
51    =    Instantaneous Water Heater
52    =    Multi-point Water Heater
53    =    Circulator

Disclaimer: Information on this website is provided for informational purpose therefore we cannot accept liability for subsequent problems. All repair tasks should be carried out by qualified trades people. We may also receive commission payments when you are taken to external websites and complete purchases from third party sellers, once you leave our site, we cannot be held liable for your purchases.