Hi Dilalio
Many thanks for the reply,
The boiler doesn't appear to be firing continuously however there is a blue Grundfos pump at the hw tank that IS running continuously, even when the boiler is off.
I presume the motorised valve is the white box that has the A & B position on it? One of...
Hi,
Completely new to this forum and have a poser that I can't fathom.
We have an Iflo shower that is supplied via a boost pump from our hot water tank.
No matter how low I turn down the temperature at the shower control, the water is always scorchingly hot. The pump appears to be running both...