According to BS6700 a standard 1700mm x 700mm bath uses approximately 100 litres of water at 40’C
This is split into 60% hot and 40% cold water when hot water is stored at60’C.
Note; an average 1700 x 700mm bath holds approximately 180 litres up to overflow level.
The National Health Service safe water temperature for baths is 44-46’C
Average bathing temperature is 40-42’C
Maximum hand temperature on average is 47-48’C
Maximum body temperature on average is 42-43’C
The above temperatures may need to be reduced for the elderly and infirm.