You will need to comply with this standard if you operate, manufacture, install or maintain gas boilers.
This standard specifies the requirements for the operation of boilers, including unattended, limited attendance and fully attended. It includes the special features within the control, management and supervision systems, associated valves and fittings, housing and installation for those boilers operating in the unattended or limited attendance modes.
You must also ensure that all gas pressure equipment is maintained, inspected and used in accordance with all relevant standards.