Description
Tower Frost Protection Thermostat – STTRFSN
The Tower STTRFSN Frost Protection Thermostat is a reliable dial-type mechanical thermostat designed to protect properties, heating systems, and boilers from frost damage. Ideal for installation in cooler or unheated areas, it works alongside a standard room thermostat to ensure safe minimum temperatures are maintained during cold conditions.
Using a sealed bellows system, the STTRFSN provides accurate and consistent temperature regulation with a 1°C differential. It offers a frost protection temperature range of -5°C to 15°C, allowing precise control to prevent pipes, boilers, and system components from freezing.
Designed for straightforward installation, the Tower STTRFSN features a neutral housing that blends easily into most environments and is wall-mounted with 60mm fixing centres, ensuring compatibility with standard back boxes. Its compact size of 85mm (W) x 85mm (H) x 40mm (D) makes it suitable for a wide range of locations.
The thermostat is rated at 10(3) Amperes and includes volt-free changeover contacts, making it suitable for use with both mains (230V AC) and low-voltage systems. It is also fully compatible with combi boiler systems, providing flexibility across different heating installations.
The Tower STTRFSN frost thermostat delivers dependable frost protection, helping to maintain system safety and reliability during cold weather conditions.
Full technical specifications, wiring details, and installation information can be found in the specification tab above.
Key features
- Temperature Range: -5° to 15°C for frost protection.
- Accurate Regulation: 1°C differential for precise control.
- Versatile Compatibility: Works with mains (230V AC) or low-voltage systems.
- Durable Build: Contact rating of 10(3) Amperes with volt-free changeover contacts.
This STTRFSN V2 Room Thermostat is a practical choice for domestic heating systems where dependable operation, clear control and straightforward installation are important.
- Temperature range: -5°—15°C
- Differential: 1°C
- Contact rating: 10(3) Amperes
- Contact type: Volt-free changeover
- System compatibility: Mains (230V AC) or low-voltage
- Suitable for combi boilers: Yes
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