VTech Inc.

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]