Product Description

This Siemens electronic time switch offers control of combination boilers and single zone applications when used alongside an appropriate thermostat. A service interval function ensures the user never misses a servicing date.

Product Features

• Unique menu driven programming
• Easy to read, larger than average display
• Simple operation
• Up to 3 hour boost facility
• 2/3 on off periods
• For combi boilers
• Holiday programming
• Universal programming, daily, weekend/weekday/7 day
• Programmable away from its backplate
• Industry standard backplate
• Battery back-up