Simple to use, the HTR-RF(20) is perfect for users who appreciate a traditional dial face and want minimal intervention in the heating system. With silent switching and TPI (Time Proportional & Integral) calibration, accuracy and efficiency are nevertheless assured.
FEATURES
- Stylish compact surface mounted solution
 - ‘Self-learning’ functionality time proportional and integral (TPI)
 - ErP rating IV
 - Valve protection function (VPF)
 - LED status indication
 - Night setback function
 - ZigBee wireless Smart Home App integration
 - Zigbee 2.4 GHz
 - 5 year warranty
 
        












