Recent content by FishBed

Yeh that's the one: timer flashing, 40˚C just for ages and ages. Doing it again today. What do I do once I'm in the installer settings? I've dipped into it before. I had wanted to turn down the flow temp but I'd rather sort out this mess first :( If I buy another controller will that likely fix it?

Hi, the thermostat isn't Vaillant, if that's what you mean (it's Honeywell). Could I see this on the boiler settings somewhere?

Hi all, Preface; checked and can't find this exact issue on here, but similar to this one where someone suggested 'plate heat exchanger needs cleaned /replaced'. Unlike them, however, the boiler was looked at pretty recently. Setup: -Vaillant Ecofit Pure 825 -Radiators all bled and flow...