Recent content by kev13

Because I have found a mixing valve that gives precedance to the source of the hottest water (solar or combi) but only works with a modulating burner', whatever that is?

I have a Worcester Highflow heatslave gas combi boiler and it was rebuilt almost entirely by Worcester about 5 years ago so I should get another few years out of it yet. I want to incorparate this into a solar syatem but to work I need to know if the burner is of the 'modulating burner' type in...