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The Honeywell DT90E Wired Digital Thermostat provides automatic temperature control over gas or oil fired boiler systems, underfloor heating, electric heating and zoning systems. The DT90E Wired Digital Thermostat features an ECO button an energy saving function that gives timed setback or boosts temperatures to reduce energy demand.
The Honeywell DT90E Wired Digital Thermostat is also a TPI (Time Proportional Integral) control product, as defined in the building regulations, which makes boilers operate more efficiently and provide close accurate control. Also the 'OFF' setting can be utilised for frost and hypothermia protection, assuming the system time control is also switched on.