Surely not the case when used with a separate H/W tank? It is to be
installed as a replacement in a conventional vented system with H/W
tank and rads. Not as a combi boiler.

Richard

On 9 Jul, 10:12, stuart noble wrote:


The other annoying thing is that it has to deliver several litres of
cold water before the burner lights up. Very frustrating if you just
want to top up a bowl of hot water.