Image Modified What to do if a radiator valve does not seem to be behaving as it should. Here are a few simple steps to check what may be causing the problem: The basics:- If the room is BLUE on the app, the room is not calling for heat, so this room is not calling the boiler to run. The valve should read the set (target) temperature on the app, and it is likely that the radiator will be cold. Note that it can take up to 10 minutes for the valve to update if the room has just turned off.
- Because the valve is always sent the set temperature from the app, it is possible that the radiator may be warm if another room in the house is calling the boiler to heat. The radiator in question may be warm if the valve thinks that this room or this part of the room still needs a little more heat, but not enough to bring the boiler on itself. If this is causing a problem this can be solved by adjusting the valve offset temperature down.
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