Designed for easy replacement with simple tools such as screwdrivers and wrenches. Close installation within minutes and follow the appropriate safety precautions. Fits seamlessly on 400 760A models Made of metal materials with excellent corrosion and heat resistance, which ensure stable performance in damp environments. Withstands up to 300,000 on/off cycles and thus ensures long-lasting reliability Delivers a constant water flow of 1.5 l/min to meet the humidification needs of residential and commercial buildings. Prevents common problems such as leaks or missing closing, ensuring efficient moisture regulation Ideal for maintaining pleasant humidity in homes, offices and commercial premises in case of dryness. Protects equipment, while improving air quality and creating a healthier environment The solenoid valves of the humidifier 4040 have high-precision electromagnetic technology to precisely control the water flow and effectively regulate indoor humidity between 35% and 45%. Perfect for humidifiers of the 400 and 700M series