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Hard-Wired thermostats have the wiring go directly into the unit. They can be battery powered or mains powered.
Replaces Obsolete DT200 (T6620B1008)
The DT90E digital room thermostat has been designed to provide automatic temperature control of gas or oil fired boiler systems underfloor heating electric hea..
Horstmann HRT4B Digital Thermostat with TPI
TPI energy saving software (adjustable for Gas Oil and Electric systems)
For use with a new installation or as a replac..
* 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:..
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..
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..