Horstmann (Secure) CStat 17B Hardwired Programmable Thermostat. Trading online for over 15 years.
Secure C-Stat 17B 7-Day Programmable Room Thermostat
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HORSTMANN SECURE CENTAURPLUS C27 REPLACEMENT PROGRAMMER *READ DESCRIPTION*
REPLACEMENT for Horstmann Secure Centaurplus C27 *READ DESCRIPTION*
