Stepper θερμαντικών σωμάτων 3.2v Wifi ηλεκτρική θερμοστατική συνδεμένη βαλβίδα μηχανή για TRV

Video Description:
Discover the 25mm Geared Stepper Motor, a high-quality 3.3V DC motor designed for precise valve control, HVAC systems, and smart appliances. Ideal for automation and fluid control applications, this motor features a compact design, high torque, and customizable options.
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