HY312 series range has been developed to control electric underfloor, water heating, or water/gas oiler systems, all designs have a backlight function.

Product Specifications​

  • Power: 90-240Vac 50/60HZ
  • Range of temperature display: 0~70°C
  • Display accuracy: 0.5°C
  • Insulating condition: Normal environment
  • Probe sensor: NTC(10k)1%
  • Running program: Set per 1 week as a cycle
  • Contact capacity: 3A/250V(WW);16A/250V(WE)
  • Output: Switch relay
  • Working environment temperature: 0~90°C
  • Installation: Wall-mounted or on battery seat
  • Range of temperature adjustment: 5~35°C
  • Size(mm):86*86*30


  • The standard total Size is 86*86mm
  • Touch buttons to make simple operation
  • Color: white, black
  • The visible thickness above the wall is 30mm
  • 86mm hidden box and 60mm European box
  • Flat mounting, is easy to install


  • including built-in sensor and external sensor
  • 0.5°C accuracy keeps the temperature within the level you set.
  • Children lock to prevent misoperation by children
  • Data memory when power is off.
  • Holiday mode makes you enjoy a more comfortable temperature on holiday
  • The temperature of the external sensor can be checked

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