Recent content by ramzes

what I discover today morning is , when hot water switch was on const. (heating work as well-but was off) I could not switch it off . Had to switch main fuse off and on again , and then it was off.So few second after I had switch hot water on again boiler start and could not switch it off...

HI . moved in to the house where honeywell ST699 is installed .Both switches water and c.heating are on constant position.Problem is that central heating is not working -red led is on., . Central heating start to work when hot water is heating in this same time . that mean that i can switch...