1. Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems Session 4: Hot water storage, hot water systems and wet central heating systems

2. Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems Session 4 – hot water storage, hot water systems and wet central heating systems During the session you will: Research compliance standards and parameters for hot water storage vessels Research requirements relating to the preparation and water treatment of hot water systems and wet central heating systems Research requirements relating to the commissioning of hot water systems and wet central heating systems Feedback to the group about what you found Session Objectives and Activities

3. Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems Session 4 – hot water storage, hot water systems and wet central heating systems Key websites If you are unsure where to look for regulatory information and guidance, try one or more of the following websites: UK government Planning Portal www.planningportal.gov.ukwww.planningportal.gov.uk Building and Engineering Services Association (B&ES) www.b-es.org/b-es- connections/technical/www.b-es.org/b-es- connections/technical/ Energy Saving Trust www.energysavingtrust.org.uk/organisationswww.energysavingtrust.org.uk/organisations Scottish and Northern Ireland Plumbing Employers’ Federation www.snipef.org/ www.snipef.org/ Welsh Government www.wales.gov.uk/topics/planningwww.wales.gov.uk/topics/planning Chartered Institution of Building Services Engineering www.cibse.orgwww.cibse.org Do not feel you must limit your search to these sites if you have ideas of others worth exploring.

4. Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems Session 4 – hot water storage, hot water systems and wet central heating systems Key web pages You may have found a range of websites that contain relevant information. Note the key websites in your course folder for future reference. Tutor to add specific websites if felt helpful Websites, regulations and standards are frequently updated so you may want to revisit websites and conduct further research in future to ensure you are always using the latest information.

5. Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems During this session you will Research definitions and requirements for boiler interlock Research relevant requirements relating to space heating zone control and water heating zone control Research relevant requirements relating to time and temperature control, including the use of non-electrical (thermo-mechanical) hot water controllers Feed back to the group about what you found Next session: control of gas-fired and oil-fired wet central heating systems