VTech Inc.
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HVAC parts & automation solutions provider for smart, efficient climate control systems.
VTech Incorporation is a trusted provider of HVAC components, temperature sensors, digital thermostats, and automation solutions in Bangladesh. We specialize in trading and supplying high-quality products for residential, commercial, and industrial applications. Our mission is to deliver reliable, energy-efficient solutions that enhance comfort, performance, and indoor air quality. Whether you're
08/02/2026
Siemens Thermostat
Model: RDQ400 / RDQ410 / RDQ411
08/02/2026
Siemens Thermostat
/on-off Thermostat
: RDQ400/RDQ410/RDQ411
Brand: Siemens
Origin: Switzerland
☎️ +8809639298214
WhatsApp: 01818304784
📧 [email protected]
#
For fan coil unit
● For 2-pipe fan coil units (RDQ400)
● For 2-pipe and 4-pipe fan coil units (RDQ410 and RDQ411)
● One multi-functional input (X1) for keycard contact or external sensor (RDQ411)
● LCD backlit display and keylock function
● Operating mode button: Comfort, Protection, and Economy (3-second long-press
in Comfort)
● ‘M’ button:
– For 2-pipe applications: Heating, cooling, ventilation
– For 4-pipe applications (auto): Automatic heating/cooling changeover,
ventilation
– For 4-pipe applications (manual): Heating, cooling, ventilation
● 3-speed fan control (automatic or manual) via fan button
● Display of either room temperature or setpoint
● Support of Chinese standard conduit boxes (max. 78 × 78) ≥ 45 mm (±2) deep
and British metal standard conduit boxes (max. 75 × 75) ≥ 47 mm (±2) deep
31/12/2025
20/09/2025
Chilled Water Fan Coil Unit.
Band: Euroklimat
Ducted type: 2, 2.5, 3, 3.5, 4 TR
Country of Origin: Italy
☎️ +8809639298214
WhatsApp: 01818304784
📧 [email protected]
Euroklimat
11/09/2025
Siemens Thermostat
/on-off Thermostat
: RDF300.02/RDF510
Brand: Siemens
Origin: Switzerland
☎️ +8809639298214
WhatsApp: 01818304784
📧 [email protected]
# .02
11/09/2025
Siemens Zone Valve & Actuator
Siemens 2-Way Zone Valve with Actuator for Fan Coil Unit
Model: MVI421.25 / MVI421.20 / MVI421.25 / MVI422.20
☎️ +8809639298214
WhatsApp: 01818304784
📧 [email protected]
.25 .20 .25 .20
11/08/2025
Honeywell Control Valve for Fan Coils
Honeywell 2-Way Control Valve with Actuator for Fan Coil Unit
Model: VS92C25PP/VS92C20PP
☎️ +8809639298214
WhatsApp: 01818304784
📧 [email protected]
29/06/2025
Duct Temperature Sensor
Brand: Siemens
Model: QAH11.1
Cable temperature sensor PVC 2.5 m, NTC 3 kOhm, without connectors
Technical Specifications:
Measuring range: For fixed cable
Sensing element: NTC 3k
Measuring range, temperature: -20…70 °C
Sensing element, temperature: NTC 3k
Time constant: Air v=0 m/s: 90 s
Connection cable: 2-wire Ferrules
Cable length: 2.5 m
Display: No display
☎️ +8809639298214
WhatsApp: 01818304784
📧 [email protected]
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Opening Hours
| Monday | 09:00 - 18:00 |
| Tuesday | 09:00 - 18:00 |
| Wednesday | 09:00 - 18:00 |
| Thursday | 09:00 - 18:00 |
| Sunday | 09:00 - 18:00 |