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The L641A Cylinder Thermostat is designed for surface mounting on domestic hot water cylinders. It can be used to switch directly a wet central heating circulating pump or boiler, or to operate spring return and motor open/motor close zone valves.
  • 40 to 80°C Set Point
  • Suitable for Uninsulated & Foam-Lagged Cylinders
  • 2 or 3-Wire Installation
  • Double-Insulated
  • Bi-Metallic Sensor
  • Surface-Mounted
  • Fixing Strap Included
  • Ideal for general applications
  • Surface mounted
  • Double insulated

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