



🔥 Stay ahead of the curve with Evohome — smart heating that’s always in your hands! 📲
The Honeywell Evohome ATP921R3100 is a sophisticated Wi-Fi connected thermostat pack designed for hydronic central heating systems. It enables precise control of up to 12 heating zones via a sleek touchscreen or smartphone app, supports wireless radiator controllers for easy installation without pipework disruption, and offers optional OpenTherm integration for enhanced boiler efficiency. Ideal for large homes, luxury apartments, and light commercial spaces, Evohome delivers smart, customizable comfort with modern convenience.
| Manufacturer | Honeywell |
| Part Number | ATP921R3100 |
| Product Dimensions | 13.9 x 2.1 x 10.1 cm; 900 g |
| Batteries | 1 AA batteries required. (included) |
| Item model number | ATP921R3100 |
| Colour | White |
| Style | Modern |
| Power Source | Battery Powered |
| Voltage | 230 Volts |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement System | Metric |
| Display style | Touchscreen |
| Plug profile | Ceiling Mount |
| Special Features | Wireless |
| Usage | Boiler |
| Included Components | 1 x Evohome Connected Thermostat; power lead; stand; wireless relay box; battery |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | NiMH |
| Item Weight | 900 g |
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