This component is a specific type of valve, model number 4040, manufactured by Aprilaire. It is an electromechanical device controlling the flow of water, typically used within whole-house humidification systems. A common retail source for acquiring this valve is Home Depot.
Proper functioning of the humidification system relies on the reliable operation of the valve. Its purpose is to regulate the water supply to the humidifier, thereby influencing the humidity level within a home. Availability at a large retailer such as Home Depot provides accessibility and convenience for homeowners requiring replacement parts or system maintenance. The longevity of the Aprilaire brand suggests established performance and a degree of standardization within residential HVAC systems.
