Description
The Carrier 4357 is a genuine OEM 24V water solenoid valve, designed for precise, reliable control of water flow in Carrier HVAC and humidifier systems. Whether you're repairing a humidifier, replacing a worn-out valve, or maintaining your hydronic setup, this component ensures dependable performance and long-term durability.
Key Features
- Factory-Authorized OEM Quality: Built to Carrier’s original specifications for a perfect fit, consistent operation, and long service life.
- 24V Coil: Operates at standard 24-volt control voltage used in most HVAC systems.
- Water Medium: Specifically designed to control water flow, making it ideal for humidifiers, hydronic fan coils, or other water-based HVAC components.
- Compact & Lightweight: Weighs around 0.45 lb, making it easy to install without heavy rework.
- Efficient Control: Uses electromagnetic actuation to precisely open or close the valve, improving system responsiveness and water flow accuracy.
- Durable Construction: Designed for the high cycling environment typical in HVAC systems — built to last and minimize replacement frequency.






