Hi folks - I am getting a high pitched "whistling" noise for 1/2/3 mins when valve has reached temperature and is shutting off. The make is "Westtherm". Any advice/tips/causes would help this complete novice!!
Thanks in advance
John
I have an issue with small amounts of air "trapping" in one radiator. Is it possible to fit an automatic bleed valve, or are there no such things?
John
