The Horstmann HRT4-B Battery-Powered Room Thermostat is a purpose-designed room thermostats offer the latest energy saving control technology combined with established Horstmann design and manufacturing expertise making them suitable for use in most types of heating systems.
While compatible with most commonly used zone valves and programmers, they make the perfect partners for use with Horstmann Programmers and Zone valves.
- Battery-operated
- TPI energy saving software
- For use with a new installation or as a replacement
- 3 amp volt free change over contacts
- Ideal for use with combi boilers
