Working stored cold water volume from demand and a reserve period, without oversizing.
What storage has to cover
Cold water storage gives a reserve when the mains is interrupted and smooths out peak demand. The size is a balance: enough to cover the chosen reserve period, but not so much that water sits for days and warms into the Legionella growth band.
Read the full Cold Water (L3) note with Premium
You’re reading the free preview. PlumbRevise Premium unlocks the complete write-up, the worked detail for every Cold Water (L3) note — plus timed tests on every module.
Plenty of modules are free to read in full.