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Posted by HeatPro on September 12, 2004 at 17:24:36:
In Reply to: Combi boiler won't seem to switch off posted by Ben on September 12, 2004 at 13:17:33:
As repeated many times before, there is a difference in the meaning of efficiency and effectiveness.
A thermostat will NEVER make a boiler more efficient.
In this situation your new thermostat has made the heating system less effective.
The problem is a creation of your nightmare. Rewiring is in order; but nobody can tell you where the new device is wired now, so improvements are up to a visit by someone who REALLY knows what to do when he sees the wiring and gives recommendations for correction.