ECO Button for energy saving - ECO button
provides timed temperature setback to reduce energy demand System Control - heating and cooling functions from 5°C to 35°C Precise Temperature Control - typically accurate to within 0.5°C for maximum comfort Energy Efficient - uses TPI (Time Proportional & Integral) ...
The THR870 Programmable thermostat is designed to provide
automatic time and temperature control of heating or cooling systems. Ideal for Combi-Boilers - two wire, volt free output connections are ideal for use with combi-boilers.