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All CTC thermostats feature user friendly programs, attractive styling, overheat protection and static protection.


  • 5 day/2 day programming, 4 periods per day
  • Compatible with single-stage pumps
  • Two-stage low battery warning with fail safe protection
  • For conventional heat/cool or single-stage heat pump systems
  • Adjustable cycle rate
  • Pre-programmed
  • Easy "Front Load" battery access
  • Mechanical low temperature protection
  • Filter monitor
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Terminations: G, RC, RH, Y/O, WB, Y1
Compressor protection: 4 min. delay on break
Operating differential: ± 1 °F
Temperature set range: 45 °F to 95 °F (7 °C to 35 °C)
Current draws: .1 to 1.5 amps
Hertz: 50/60 HZ
Voltage: 20-30 VAC
Single Stage Heat Pumps
SDS Product Sheets Cross Reference Information
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Manuals Application Sheets Software
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Why is thermostat not working after I changed the batteries?: Push the reset button after the battery change.
Where can I get an instruction manual?: Select the 'Download' tab and download the manual.