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Product Code: E814
The E814 tamproof thermostat with on/off control accurately controls heating or air conditioning within a selectable temperature range between +12°C and +26°C in conjunction with an adjustable hysteresis (differential) of anything between 0.25°C and 5°C.
The tamperproof thermostat offers greater flexibility and control with a semi-automatic on/off push button. In the ‘on’ state the temperature level will be regulated at the set point until the room user disables the thermostat by pressing the push button to select the ‘off’ state.
LED indicators illuminate to signal which state the thermostat is operating in. After a selectable number of hours in the ‘off’ state (any time between 1 and 15 hours is selectable), the thermostat will automatically revert back to the ‘on’ state ensuring that the room will be at a comfortable level the next morning.
Robust Range Variants:
Remote Sensor (/RS)
Remotely located temperature sensor.
Frost (/F)
-2°C to +12°C thermostatic control range.
24 Volt (/24V)
Powered by 24 volt (AC or DC) supply.
*For a full description please see relevant variation below.
Download product datasheet (1883Kb)
£75.50 (ex. VAT)
Product Code: E814/24V
The E814/24V accurately controls heating or air conditioning within a selectable temperature range between +12°C and +26°C in conjunction with an adjustable hysteresis (differential) of anything between 0.25°C and 5°C. read more
Product Code: E814/24V/F
The E814/24V/F accurately controls heating or air conditioning within a selectable temperature range between -2°C and +12°C in conjunction with an adjustable hysteresis (differential) of anything between 0.25°C and 5°C. read more
Product Code: E814/24V/F/RS
The E814/24V/F/RS accurately controls heating or air conditioning within a selectable temperature range between -2°C and +12°C in conjunction with an adjustable hysteresis (differential) of anything between 0.25°C and 5°C. read more
Product Code: E814/24V/RS
The E814/24V/RS accurately controls heating or air conditioning within a selectable temperature range between +12°C and +26°C in conjunction with an adjustable hysteresis (differential) of anything between 0.25°C and 5°C. read more
Product Code: E814/F
The E814/F accurately controls heating or air conditioning within a selectable temperature range between -2°C and +12°C in conjunction with an adjustable hysteresis (differential) of anything between 0.25°C and 5°C. read more
Product Code: E814/F/RS
The E814/F/RS accurately controls heating or air conditioning within a selectable temperature range between -2°C and +12°C in conjunction with an adjustable hysteresis (differential) of anything between 0.25°C and 5°C. read more
Product Code: E814/RS
The E814/RS accurately controls heating or air conditioning within a selectable temperature range between +12°C and +26°C in conjunction with an adjustable hysteresis (differential) of anything between 0.25°C and 5°C. read more
| Power supply | 220V – 240V AC 50Hz (live/neutral/earth) |
| Output switch rating | 10A, 250V AC (resistive) |
| Output switch type | Changeover relay (volt-free) |
| Temperature control | +12°C to +26°C |
| Temperature differential | 0.25°C to 5°C |
| Sensor accuracy | ±0.2°C |
| Sensor drift | ±0.15°C over 5 years |
| Guarantee | 5 Years |
| Weight | 0.31Kg |
| Dimensions | 120mm x 95mm x 35mm |
Product Code: MSD-150
A thermistor potted in a plastic enclosure and coated with a black rubberised finish, supplied with 80mm flying leads. Can be installed into a 12.5mm hole using the supplied nut or into an existing PG7 thread. This is the standard temperature sensor used in the entire Robust Range of Thermostats. read more
Product Code: MSD-152
Tamperproof screwdriver for MSD-153 tamperproof screws. Required to gain access into the entire Robust Range of Tamperproof thermostats and humidistats. read more
Product Code: MSD-224
An MSD-150 temperature sensor installed in a white plastic box and connected to a terminal block. Pre-drilled mounting holes allow easy installation anywhere internally within a building. read more
Product Code: MSD-370
An MSD-150 temperature sensor installed in a white single-gang British Standard faceplate and connected to a terminal block for convenient remote temperature measurement of a room. Supplied with 2 x 25mm M3.5 fixings. A surface-mounted pattress box is available separately as an accessory. read more
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