BS 779:1989

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Specification for cast iron boilers for central heating and indirect hot water supply (rated output 44 kW and above)|Installation, Boilers, Marking, Electric wiring systems, Temperature, Central heating, Ratings, Automatic control systems, Inspection, Pressure, Heating equipment, Hot-water central heating, Safety valves, Cast-iron, Design, Hot-water supply systems, Hot-water boilers, Indirect hot-water supply

134 GBP