Aprilaire 5531 Valve 321894-706 you would typically require the

you would typically require the 14004138-001 retrofit kit

370 VAC capacitor

provided the fan and system shared voltage are the same

Maintains consistent DC supply for control circuits

always verify against the manufacturer’s spring chart for your specific model and orifice combination

Aprilaire 5531 Valve 321894-706 you would typically require theThe Aprilaire 5531 Valve, also known as the Fill Valve Water Feed Tube, is a critical genuine replacement component designed for high performance evaporative cooling systems. Engineered for precision and durability, this Aprilaire humidifier solenoid valve assembly ensures 100% accurate water flow regulation into the distribution tray. HVAC professionals prioritize the Aprilaire 5531 because it maintains optimal humidity levels while preventing leaks