* Complete with key for tamperproofing. * Holes in frame allow air to circulate freely. * Easy to install - flush mounted. * Max. Size of thermostat 156x91x65mm HxWxD. * Outer dimensions of guard:..

Horstmann are now known as Secure ControlsHRT4B Digital Thermostat with TPI Replaces obsolete DRT1 TPI energy saving software (adjustable for Gas Oil and Electric systems) Backlit Display ..

Replaces obsolete RET-B, RET2000B.  Connects to the same 2 wires. The RET2001B benefits from selectable on/off and chrono-proportional control. Chronoproportional control significantly improve..

• Provides fast, trouble-free installation without supply cables• Suitable for underfloor or radiator heating• Measures the room temperature away from the radiator for comfort and economy• Programmabl..

Replaces DT90e.  For 2-wire installation.Battery Powered (3.5 Years expected life).5 year warranty.As the first point of contact for homeowners, installers know exactly what features household ap..

Digital Room Thermostat - A digital heating and cooling thermostat equipped with an energy-efficient, self-learning algorithm and one-touch energy-saving ECO button. Easy to use with no learning curve..

Replaces RDH10 Large LCD display Set point 5-30C 5(2)A volt-free contacts Dimensions 120x90x26.9 mm HxWxD Battery Powered (2 x AA) The digital display shows the actual room tempe..