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Room Thermostat/Programmable Thermostat

A temperature sensing device used to maintain the air temperature within a room to a set level whenever the heating circuit(s) is/are timed to be on.

Room Thermostats should be installed in accordance with the manufacturer’s fitting instructions and comply with all the appropriate regulations.
 
The best location is in a room which is always heated and is the slowest to heat up, being mainly the hall, lounge or master bedroom when the heating is split into two zones. It should be set to the desired temperature for that room and TRVs in any other rooms should be set to prevent local overheating. Room thermostats should not be fitted in rooms with secondary forms of heating, such as gas fires.
 
Since room thermostats operate by sensing the air temperature, it is important that they are in a clear flow of air that is representative of the room temperature. Do not locate in areas such as corners, behind furniture units or curtains and in areas where the air-flow will pick up extraneous heat such as close to TVs, computers, wall lights and other heat generating devices, or direct sunlight. Also avoid any cooling position such as outside walls and ensure that no draughts are directed on to or into the thermostat from any direction.
 
Room thermostats should be fitted in an area where they can easily be read and adjusted. Thermostatic Radiator Valves (TRVs) should not be installed in the same room as the room thermostat.
 
Programmable Room Thermostats operate in the same manner as room thermostats and the same positioning rules etc. apply. They have the additional feature of being able to provide different temperatures at different times of the day or night.
 
Some models have a remote temperature sensing availability to overcome any conflict between the ideal temperature sensing and accessibility locations.