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In another post regarding my radiators always being hot, even though the thermostat turned them off. Its turned out that BG had fitted the wrong 3 way valve. Thats now been changed and when the thermostat clicks off the radiators go cool very quickly. The only problem is that that when...

Are there any reasons why you cannot use ethylene glycol antifreeze in a central heating system. The only reason I can think of is because its poison or toxic in some way. It has all the inhibitors etc. Ron

I have a problem with my central heating. When the heating comes on everything is fine until the thermostat clicks to turn the motorized valve. The problem is the valve dosen't move and the radiators stay hot. There is a lever at the side of the valve, the slightest touch on this starts the...