chimneys
Well-known member
- Jun 11, 2007
- 3,609
An argument for using the hot tap is that it saves elec or gas not starting from cold and by boiling the water you are killing off any impurities but I always use the cold tap.
I know its called a "boiler" but not at all sure the water gets anywhere near boiling point in the boiler, when it only comes out of the tap at c40 degrees C? Therefore very much doubt all nasties are killed.