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What is a programmable room thermostat?
If your heating system is a boiler with radiators, there will usually
be only one programmable room thermostat to control the
whole house. But you can have different temperatures in
individual rooms by installing thermostatic radiator valves
(TRVs) on individual radiators. If you don't have TRVs, you
should choose a temperature that is reasonable for the whole
house. If you do have TRVs, you can chose a slightly higher
setting to make sure that even the coldest room is comfortable,
then prevent any overheating in other rooms by adjusting the
TRVs. The time on the programmer must be correct. Some
types have to be adjusted in spring and autumn at the changes
between Greenwich Mean Time and British Summer Time. You
may be able to temporarily adjust the heating programme, for
example, 'Override', 'Advance' or 'Boost'. These are explained
in the manufacturer's instructions.
Programmable room thermostats need a free flow of air to
sense the temperature, so they must not be covered by curtains
or blocked by furniture. Nearby electric fires, televisions, wall or
table lamps may prevent the thermostat from working properly.
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