| BS 2486:1997 | Recommendations for treatment of water for steam boilers and water heaters |
| BS 3456-102.21:1988 | Specification for safety of household and similar electrical appliances. Particular requirements. Storage water heaters |
| BS 3456-2.21:1972 | Specification for safety of household and similar electrical appliances. Particular requirements. Electric immersion heaters |
| BS 3999-2:1991 | Methods of measuring the performance of household electrical appliances. Thermal storage electric water-heaters |
| BS 5258-7:1977 | Safety of domestic gas appliances. Storage water heaters |
| BS 5258-8:1980 | Safety of domestic gas appliances. Combined appliances: gas fire/back boiler |
| BS 5386:Part 1:1976* EN 26:1977 | Specification for gas burning appliances. Gas burning appliances for instantaneous production of hot water for domestic use |
| BS 5386:Part 2:1981 | Specification for gas burning appliances. Mini water heaters (2nd and 3rd family gases) |
| BS 5386:Part 5:1988 | Specification for gas burning appliances. Specification for gas burning instantaneous water heaters with automatic output variation (2nd and 3rd family gases) |
| BS 5546:1990 | Specification for installation of gas hot water supplies for domestic purposes (1st, 2nd and 3rd family gases) |
| BS 5546:2000 | Specification for installation of hot water supplies for domestic purposes, using gas-fired appliances of rated input not exceeding 70 kW |
| BS 5978-1:1989 | Safety and performance of gas-fired hot water boilers (60 kW to 2 MW input). Specification for general requirements |
| BS 5978-2:1989 | Safety and performance of gas-fired hot water boilers (60 kW to 2 MW input). Specification for additional requirements for boilers with atmospheric burners |
| BS 5978-3:1989 | Safety and performance of gas-fired hot water boilers (60 kW to 2 MW input). Specification for additional requirements for boilers with forced or induced draught burners |
| BS 6644:1991 | Specification for installation of gas-fired hot water boilers of rated inputs between 60 kW and 2 MW (2nd and 3rd family gases) |
| BS 6644:2005+A1:2008 | Specification for installation of gas-fired hot water boilers of rated inputs of between 70kW (net) and 1.8 MW (net) (2nd and 3rd family gases) |
| BS 6880-1:1988 | Code of practice for low temperature hot water heating systems of output greater than 45 kW. Fundamental and design considerations |
| BS 6880-2:1988 | Code of practice for low temperature hot water heating systems of output greater than 45 kW. Selection of equipment |
| BS 6880-3:1988 | Code of practice for low temperature hot water heating systems of output greater than 45 kW. Installation, commissioning and maintenance |
| BS 7190:1989 | Method for assessing thermal performance of low temperature hot water boilers using a test rig |
| BS 7350:1990 | Specification for double regulating globe valves and flow measurement devices for heating and chilled water systems |
| BS 7798:1998 | Specification for industrial immersion heaters using metal-sheathed elements |
| BS 7977-2:2003 | Specification for safety and rational use of energy of domestic gas appliances. Combined appliances. Gas fire/back boiler |
| BS 855:1990 | Specification for welded steel boilers for central heating and indirect hot water supply (rated output 44 kW to 3 MW) |
| BS EN 12897:2006 | Water supply. Specification for indirectly heated unvented (closed) storage water heaters |
| BS EN 12976-1:2001 | Thermal solar systems and components. Factory made systems General requirements |
| BS EN 12976-2:2001 | Thermal solar systems and components. Factory made systems Test methods |
| BS EN 12977-3:2008 | Thermal solar systems and components. Custom built systems Performance test methods for solar water heater stores |
| BS EN 13203-1:2006 | Gas-fired domestic appliances producing hot water. Appliances not exceeding 70 kW heat input and 300 l water storage capacity. Assessment of performance of hot water deliveries |
| BS EN 13203-2:2006 | Gas-fired domestic appliances producing hot water. Appliances not exceeding 70 kW heat input and 300 l water storage capacity. Assessment of energy consumption |
| BS EN 13836:2006 | Gas fired central heating boilers. Type B boilers of nominal heat input exceeding 300 kW, but not exceeding 1 000 kW |
| BS EN 1487:2000 | Building valves. Hydraulic safety groups. Tests and requirements |
| BS EN 1488:2000 | Building valves. Expansion groups. Tests and requirements |
| BS EN 15332:2007 | Heating boilers. Energy assessment of hot water storage systems |
| BS EN 26:1998 | Gas fired instantaneous water heaters for the production of domestic hot water, fitted with atmospheric burners |
| BS EN 303-6:2000 | Heating boilers. Heating boilers with forced draught burners. Specific requirements for the domestic hot water operation of combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kW |
| BS EN 50165:1997 | Electrical equipment of non-electric appliances for household and similar purposes. Safety requirements |
| BS EN 50193:1997 | Closed electrical instantaneous water heaters. Methods for measuring performance |
| BS EN 60335-2-21:1992 | Specification for safety of household and similar electrical appliances. Particular requirements. Storage water heaters |
| BS EN 60335-2-21:1999 | Specification for safety of household and similar electrical appliances. Particular requirements for storage water heaters |
| BS EN 60335-2-21:2003 | Household and similar electrical appliances. Safety. Particular requirements for storage water heaters |
| BS EN 60335-2-21:2003+A2:2008 | Household and similar electrical appliances. Safety. Particular requirements for storage water heaters |
| BS EN 60335-2-35:1995 | Specification for safety of household and similar electrical appliances. Particular requirements. Instantaneous water heaters |
| BS EN 60335-2-35:1998* IEC 60335-2-35:1997 | Specification for safety of household and similar electrical appliances. Particular requirements for instantaneous water heaters |
| BS EN 60335-2-67:2003 | Household and similar electrical appliances. Safety. Particular requirements for floor treatment and floor cleaning machines, for industrial and commercial use |
| BS EN 60335-2-73:1997 | Specification for safety of household and similar electrical appliances. Particular requirements. Fixed immersion heaters |
| BS EN 60335-2-73:2003 | Specification for safety of household and similar electrical appliances. Particular requirements for fixed immersion heaters |
| BS EN 60379:2004 | Methods for measuring the performance of electric storage water-heaters for household purposes |
| BS EN 625:1996 | Gas-fired central heating boilers. Specific requirements for the domestic hot water operation of combination boilers of nominal heat input not exceeding 70 kW |
| BS EN 89:2000 | Gas-fired storage water heaters for the production of domestic hot water |
| CP 342-2:1974 | Code of practice for centralized hot water supply. Buildings other than individual dwellings |
| DD 84:1982 | Method of test for the resistance to freezing of gas-fired instantaneous water heaters |
