Honeywell 40003916-025 Replacement Motor

The Honeywell 40003916-025 Replacement Motor is the direct OEM solution for maintaining V8044E motorized zone valves. Operating on a 24Vac power supply, this powerhead motor includes a built-in end switch to facilitate burner or circulator pump sequencing upon full valve opening. Contractors should note that the 40003916-025 is functionally identical to the 40003916-025/U universal part number, ensuring a drop-in replacement for hydronic heating systems. The unit features 18-inch leadwires for flexible wiring within the junction box and includes a manual lever for manual valve positioning during system troubleshooting or filling. This Honeywell zone valve motor is engineered for high-duty cycles in residential and commercial boiler loops, providing the high-torque output required to actuate 3-way diverting valves under standard pressure differentials.

• Direct Compatibility: Engineered specifically for the V8044E Series, ensuring exact mechanical alignment.
• Integrated End Switch: Simplifies control logic by providing dry contact closure for auxiliary equipment.
• Field Readiness: The manual lever allows for easy hydronic system venting and maintenance without power.
• Standardized Specs: Uses a 24V motor configuration, matching standard HVAC transformer outputs.

How do I replace a Honeywell V8044E zone valve motor?
Ensure the power is disconnected, remove the valve cover, and disconnect the leadwires. Depress the release button or remove the mounting screws to swap the old motor with the 40003916-025, ensuring the shaft aligns with the valve body.

Is the Honeywell 40003916-025 interchangeable with the /U version?
Yes, the 40003916-025/U is simply the retail/universal packaging of the same OEM replacement motor.

What is the purpose of the end switch on this motor?
The end switch acts as a signal to the boiler or pump relay, confirming the valve has fully moved to the open position before the heat source activates.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.