I always used to use Fernox, but that has increased in price considerably over the years, a plumber suggested Screwfix’s own brand which seems to do the job ok at almost half the full price of Fernox.
Hello Doctors! My first post on this forum, please be gentle. I have a conventional/ heat only non-condensing boiler which is going to need changing sooner rather than later. My existing boiler has 2 sets of I/O pipes, one pair pumped, for the radiators and one pair gravity operated for the hot wate...
