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Dimensions: 86 × 86 × 10 (mm)
Control Methods: Touch Control + App Control + Voice Control
Rated Voltage: AC110-240V
Rated Current: 16A
Warranty: 2 years
Housing Material: Flame-Retardant ABS
Certification: ROHS、CE、FCC
NVK‑SDM5 WiFi smart thermostat supports electric floor heating, water floor heating and gas boiler systems. Touch‑button control, 7‑day programmable scheduling, remote App & voice control, child lock safety. CE ROHS FCC certified, 86‑type standard wall mount, 2‑year warranty.
Upgrade your home heating with the NVK‑SDM5 smart WiFi thermostat. Universally compatible with electric underfloor heating, water floor heating and gas boiler systems. Features large LCD touch panel, 7‑day time‑slot programming, mobile remote control, voice control via Alexa / Google Assistant / Tmall Genie, child‑lock safety protection. Flame‑retardant PC+ABS housing, standard 86‑mm wall‑box installation, ideal for home, office, hotel and commercial heating projects.
Available variants for 16A /25A electric floor heating, 3A water heating & gas boiler. Comes with optional 3‑meter NTC floor sensor for electric heating models.
Set different target temperatures for different time periods on weekdays & weekends. Auto‑reduce temperature when you are away, raise temperature before you get home to save power and heating cost.
Standard EU & China 86‑type wall‑mount box, mounting hole distance 60 mm. Quick terminal wiring, fits most existing wall boxes for heating renovation.
1 × User Manual
(WiFi‑electric heating versions include 3‑meter NTC temperature sensor cable)
Note: Installation should be performed by qualified electrician. Please cut off power supply before wiring.
Technical Specifications:
| Paramètre | Spécifications |
| Marque | NVK |
| Modèle | NVK‑SDM5 |
| Rated Voltage | AC 110‑240V, 50‑60Hz |
| Temperature Setting Range | 5℃‑36℃ |
| Temperature Control Accuracy | ±1℃ |
| Temperature Sensor | NTC 10K (3‑meter sensor cable included for electric heating versions) |
| Display | LCD back‑lit digital display |
| Mode de fonctionnement | Touch buttons; WiFi version supports App remote control & voice control |
| WiFi Standard | 2.4 GHz (5 GHz WiFi is NOT supported) |
| Smart Compatibility | Tuya / Smart Life, Amazon Alexa, Google Assistant, Tmall Genie |
| Housing Material | Flame‑retardant PC+ABS |
| Dimension | 868610 mm |
| Mounting Hole Distance | 60 mm, fits standard 86‑type wall box |
| Protection Grade | IP20 |
| Working Ambient Temperature | 0℃‑45℃ |
| Mechanical Life | 100,000 times |
| Electrical Life | 500,000 times |
| Net Weight | 192 g |
| Certifications | CE, ROHS, FCC |
| Garantie | 2‑year manufacturer warranty |
| Wiring Method | Terminal insertion, screw‑tight connection |
Product Selection:
| Modèle | Type de contrôle |
| NVK-SDM5 White (16A Electric Floor Heating + WiFi + 3-meter Sensor Cable) | Touch Control + App Control + Voice Control |
| NVK-SDM5 White (16A Electric Floor Heating + 3-meter Sensor Cable) | Touch Control |
| NVK-SDM5 White (3A Hydronic Heating/Boiler + WiFi) | Touch Control + App Control + Voice Control |
| NVK-SDM5 White (3A Hydronic Heating/Boiler) | Touch Control |
| NVK-SDM5 White (25A Electric Floor Heating + WiFi + 3-meter Sensor Cable) | Touch Control + App Control + Voice Control |
| NVK-SDM5 White (25A Electric Floor Heating + 3-meter Sensor Cable) | Touch Control |
Model Variant Parameters
| Model Number | Application | Rated Current & Power | WiFi & Voice Control | Color |
| NVK‑SDM5‑16A‑E‑WiFi | 16A Electric floor heating, with 3m sensor cable | 16A / 3200W | ✅ Supported | White |
| NVK‑SDM5‑16A‑E | 16A Electric floor heating, with 3m sensor cable | 16A / 3200W | ❌ Not supported | Black |
| NVK‑SDM5‑3A‑W‑WiFi | 3A Water heating / Gas boiler | 3A | ✅ Supported | White |
| NVK‑SDM5‑3A‑W | 3A Water heating / Gas boiler | 3A | ❌ Not supported | Black |
| NVK‑SDM5‑25A‑E‑WiFi | 25A Electric floor heating, with 3m sensor cable | 25A | ✅ Supported | White |
| NVK‑SDM5‑25A‑E | 25A Electric floor heating, with 3m sensor cable | 25A | ❌ Not supported | Black |
Packaging
| Modèle | Length (cm) | Width (cm) | Height (cm) | Volume (cm³) | Weight (g) |
| NVK-SDM5 White (16A Electric Floor Heating + WiFi + 3-meter Sensor Cable) | 10 | 11 | 6.80 | 748 | 280 |
| NVK-SDM5 White (16A Electric Floor Heating + 3-meter Sensor Cable) | 10 | 11 | 6.80 | 748 | 280 |
| NVK-SDM5 White (3A Hydronic Heating/Boiler + WiFi) | 10 | 11 | 6.80 | 748 | 280 |
| NVK-SDM5 White (3A Hydronic Heating/Boiler) | 10 | 11 | 6.80 | 748 | 280 |
| NVK-SDM5 White (25A Electric Floor Heating + WiFi + 3-meter Sensor Cable) | 10 | 11 | 6.80 | 748 | 280 |
| NVK-SDM5 White (25A Electric Floor Heating + 3-meter Sensor Cable) | 10 | 11 | 6.80 | 748 | 280 |