How to apply - Registering as a gas contractor

Appendix

Definition of Classes of Gas Installation Work

Class 1

Installation, commissioning and routine maintenance of a domestic gas appliance which is a hotplate supplied by not more than one cylinder.

Class 2

Installation of -

1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in domestic premises; or
2. an installation pipe in domestic premises.

Class 3

Installation and commissioning of -

1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in domestic premises; or
2. an installation pipe in domestic premises; or
3. a domestic gas appliance.

Class 4

Installation of domestic gas appliance to existing, adjacent gas supply points and commissioning and servicing of domestic gas appliances.

Class 5

Installation of -

1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in non-domestic premises; or
2. an installation pipe in non-domestic premises.

Class 6

Installation and commissioning of -

1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in non-domestic premises; or
2. an installation pipe in non-domestic premises; or
3. a non-domestic gas appliance.

Class 7

Installation of non-domestic gas appliances to existing, adjacent gas supply points and commissioning and servicing of non-domestic gas appliances.

Class 8

Installation, commissioning and servicing of a gas appliance which forms part of an industrial process.

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