Simple to use and with a clear easy to read LCD display, the HTRP-RF(50) is perfect for users who want complete control over their underfloor heating system. With silent switching and TPI (Time Proportional & Integral) calibration, accuracy and efficiency are assured. Time and heat schedules are also fully programmable to optimise control and minimise energy usage.


  • TPI (Time Proportional & Integral)‘self-learning’ Functionality
  • Clear easy to read LCD
  • Integrates with HTRS-RF(30)
  • Can be used as room thermostat in a system with other programmable SALUS thermostats
  • ErP Rating IV
  • Fully programmable
  • Pre-set override temperatures
  • Optional floor temperature sensor
  • Battery operated

Supply: 2 xAA Batteries
Scale: 5°C- 32.5°C
Size (mm): W-85 H-85 D-25

FS4000 External Underfloor Heating Sensor