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davesparks
[/QUOTE]Yes that's what I thought but wouldn't the high limit stat cut in?
QUOTE=davesparks;1151485]Then it's likely the boiler stat is operating before the rooms are up to temperature.
If it never reaches the temp set on the roomstat then you should turn the boiler stat up a bit.
If the boiler hits it's high limit stat then you've got a problem. The high limit stat should only operate if the boiler heats past the upper limit of the boiler stat