Description
Tower STTRS1 V2.0 Mechanical Room Thermostat
The Tower STTRS1 V2.0 Mechanical Room Thermostat is a reliable, dial-operated thermostat designed to provide straightforward and accurate room temperature control in domestic heating systems. Its neutral housing allows it to blend seamlessly into a wide range of interior styles, making it suitable for both modern and traditional settings.
Designed for wall mounting, the thermostat features 60mm fixing centres, ensuring compatibility with standard back boxes and allowing for simple replacement of existing thermostats. It supports both in-wall and surface-run wiring, with four surface-run conduit breakouts providing added flexibility during installation.
Temperature regulation is achieved using a proven sealed bellows mechanism, delivering consistent and dependable performance. The thermostat operates across an adjustable temperature range of 10°C to 30°C with a 1°C differential, allowing precise control of room comfort levels. It is suitable for use with mains (230V AC) and low-voltage systems, making it compatible with a wide variety of heating controls, including combi boiler installations.
With a contact rating of 10(3) Amperes, the STTRS1 V2.0 is built to handle typical heating system loads reliably. Its compact design, measuring 85mm x 85mm x 40mm, ensures a neat and unobtrusive installation in any room.
The Tower STTRS1 V2.0 Mechanical Room Thermostat offers dependable temperature control, ease of installation, and long-term reliability, making it a practical solution for maintaining comfortable indoor environments.
Full technical specifications, wiring details, and installation guidance can be found in the specification tab above.
Key features
- Temperature Control: Adjustable range from 10–30°C with a 1°C differential.
- System Compatibility: Works with mains (230V AC) or low-voltage systems.
- Combi Boiler Ready: Fully compatible with combi boiler setups.
- Compact Design: Dimensions: 85mm (W) x 85mm (H) x 40mm (D) .
This STTRS1 V2 Room Thermostat is a practical choice for domestic heating systems where dependable operation, clear control and straightforward installation are important.
- SPARES2GO Room Thermostat for Combi Boilers
- Dial-type mechanical room thermostat for regulating room temperature, comes complete with neutral housing to blend in to any style of decor.
- The thermostat is designed for wall mounting, with 60mm fixing centres for back-box compatibility and suitable for in-wall or surface- run wiring connections.
- Thermostat cover incorporates four breakouts for surface-run conduit. The temperature regulator mechanism is the well-proven sealed bellows system.
- Temperature Range: 10 - 30°C
- Differential: 1°C
- Contact Range: 10 (3) Amperes
- System Compatibility: Mains or low-voltage
- Suitable for combi boilers: Yes
- Premium quality compatible replacement / spare part




























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