Specification for vessels for use in heating systems. Tubular heat exchangers & storage vessels for building & industrial services Heat exchangers, Tube heat exchangers, Heat engineering components, Calorifiers, Storage water heaters, Heat transfer, Water heaters, Central heating, Hot-water central heating, Space-heating systems, Hot-water supply systems, Water supply (buildings), Industrial, Design, Design calculations, Welding, Welders, Approval testing, Stress analysis, Stress, Bolting, Filler metal, Braze welding, Hot-working, Forgings, Pressing (forming), Corrosion, Gaskets, Connectored joints, Pressure, Technical data sheets