Siemens RDH10-GB Wired Digital Programmable Room Thermostat
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Room temperature controller with large LCD (WIRED version)
The battery powered electronic room temperature controller is independant and communicates via 2-position output. The required temperature is adjusted with the large setting knob on the front of the unit.
Available to purchase at:
http://www.supremeplumb.com/cgi-bin/DMdatabase.cgi?action=/home/suprem13/public_html/cgi-bin/home/Shop/Heating_Controls/Siemens_TStats_Programmers_and_Timers.txt&item=00020