The thermostat for my gas central heating is in the hallway. It does work when the heating system switches on and off (in conjunction with the timer on another floor) , but during the day it doesn't seem to work when the temperature drops. We need to constantly increase the temperature dial, until the system starts - by the end of the day the thermostat is at 25, but it doesn't feel like that warm in the house.
Is this just a faulty main thermostat or is it systematic of another fault? The thermostat is about 8 years old.
Could be any number of problems. The stat could be faulty, but there are a few things to check out first. The thermostat must be located correctly in a position nowhere near any heat source. If of a type that needs a neutral connection, it must be connected. One of the first things to do would be to find out what the temp. actually is, rather than what it feels like. So a little thermometer placed alongside would confirm this.
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