Use a touchtone phone to heat your cottage or home just in time for your arrival
- Connects directly to existing phone line
- Activated by home/cell phone and is compatible with answering machinesone-touch buttons enable manual override of controller output status
- LE
- Ds show output status
- Battery-free backup saves user settings and output status after a power outage
- Password-protected for secure access
- Low voltage output, works with Aube thermostats requiring a 12 Vdc signal to activate unoccupied mode (CT240 only)Universal outputs (CT240 1 output CT241 4 outputs) work with thermostats and household devices requiring dry contacts