Approved Document G (hot water safety)

Calculators that use it

• Hot water cylinder size calculator

  Example: Cylinder: 210 litres, about 4.1 h to heat from cold (indicative)

• Water flow rate calculator

  Example: Flow rate: 16.0 L/min

• Expansion vessel size calculator

  Example: Vessel: at least 6.77 L (indicative)

• Pipe size and velocity calculator

  Example: Velocity: 1.38 m/s

• Water pressure from height calculator

  Example: 10.00 m of head = 0.981 bar (static)