Hi, experts. I am considering having a new boiler installed (a Vaillant EcoTec Plus 824), following a long period of trouble with our existing boiler. In our house, there are only three radiators (without going into our reasons for this arrangement, this is the way we want it to be). The engineer that installed the existing boiler did not put any inhibitor in the system (at the time, I was in complete ignorance about central heating). I believe that he ought to have done this, and charged me for it, rather than leave me to find out, the hard way, about the need for inhibitor. He never even advised me, and I knew nothing about the need for radiator protection. Anyway, the engineer that I am considering employing to install a new boiler did mention it, and says that this would be covered by the cost of the installation. What I should like to know is about how much inhibitor should be put into our system. I mean, naturally enough, the new engineer will want to cut down on his expenses, however honest he is, and, if he is anything like the first one, he might put in even less than the minimum, and I would not know..). I need to be certain that the new boiler will have the best start, so, in his quotation, I want the engineer to specify the amount that I ask him to put in, to be certain of having no corrosion problems, later.
I have no idea what a correct amount would be for our system, but let me say that the total area of our (double) rads is only six feet 7 inches by two feet (about 13 squ. ft.) This may seem to be a bit laughable, but we are happy with this arrangement. It heats the hall, the kitchen and the bathroom, and we have other heating in the other rooms.
Also, assuming that no water were added afterwards (for example, through topping up the pressure), how long would the inhibitor be good for?
With thanks for a helpful and informed answer,
A.W.
I have no idea what a correct amount would be for our system, but let me say that the total area of our (double) rads is only six feet 7 inches by two feet (about 13 squ. ft.) This may seem to be a bit laughable, but we are happy with this arrangement. It heats the hall, the kitchen and the bathroom, and we have other heating in the other rooms.
Also, assuming that no water were added afterwards (for example, through topping up the pressure), how long would the inhibitor be good for?
With thanks for a helpful and informed answer,
A.W.