The Corgi STTRFSN-C V2 is a dial-type mechanical frost protection thermostat. With neutral housing to blend in to any style decor. Designed for wall mounting, with 60mm fixing centres for back-box compatibility, and suitable for in-wall or surface-run wiring connection. The thermostat cover incorporates four breakouts for surface-run conduit. The temperature regulation mechanism is the well-proven sealed bellows sys-tem. Install in parallel to the room thermostat in a cool area of the property, to protect the property, heating system and boiler against the risk of damage from frost.


  • Temperature range: -5°—15°C
  • Differential: 1°C
  • Contact rating: 10(3) Amperes
  • Contact type: Volt-Free Changeover (SPDT)
  • System compatibility: Mains (230 VAC) or low voltage
  • Suitable for combi boilers: Yes

Product Code: STTRFSN-C V2

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