This unit specifies the skills and knowledge required to install, service, test and repair swimming pool and spa heating systems.This unit is suitable for swimming pool and spa technicians who work independently using specialised knowledge and skills to solve predictable and unpredictable problems in swimming pool and spa heating systems in accordance with regulatory requirements in:private swimming pools and spaspublic swimming pools and spas, including:hydrotherapy and therapeutic exercise poolswading and receiving pools associated with water slideswave pools.All work must be carried out to comply with workplace procedures, in accordance with state/territory work health and safety (WHS), regulations and legislation that applies to the workplace. Legislative and regulatory requirements apply to swimming pool and spa technicians but vary according to state/territory jurisdictions. Users must check with the relevant regulatory authority before delivery.Service technicians are not permitted to undertake any installation, replacement, maintenance and repair functions that are restricted to licensed trades or occupations.