CTC Model 43503 Programmable 1 Heat / 1 Cool Thermostat
Finalist in "best programmable thermostat" category - in article published by major consumer products magazine!
The Model 43503 7-day Programmable, auto changeover thermostat offers EPA ENERGY STAR certified performance and state-of-the-art features at an affordable price. This new model is preprogrammed for instant savings by the user, is simple to customize for each individual's comfort requirements and has a large, easy to read INDIGLO night light display. System compatibility is assured by Climate Technology's "Clean Contact" design and has been verified through extensive NEMA testing. This new CTC model is sure to be a winner in today's residential and light commercial markets.
Latching relay assures system compatibility
Auto Programming with easy-to-change presets
Large, easy-to-read INDIGLO night light display
Intelligent auto recovery feature
Span selector switch - adjustable differential up to 2 degrees.
Energy monitor - measures and stores the amount of time the heating and air conditioning system operates.
Easy "Front Load" battery access
Filter use monitors
Patented "Home Today" temporary override
Vacation "Hold" override
Low battery indicator
Powered by 2 AA batteries (included)
Compatible with most--
24 VAC heat/cool, heat only or cool only systems
Gas, electric or oil systems
2 wire hydronic systems
Single-stage heat pumps (Not for use with 110V/220V systems!)
20-30 VAC, 50/60 Hz
Current draws 0.1 to 1.5 amps
Temperature set range: 40-95 F (5-35 C)
Operating differential ± 1 F
Compressor protection: 4 min.delay on break
Terminations: RC, RH, W, Y/Y1, G, O/B)
Dimensions - 6.5" W X 4.5" H X 1.5" D