Resideo - Honeywell Home 40003916-521 Zone Valve Power Head

Zone Valve Power Head by Resideo - Honeywell Home 40003916-521 delivers precise, dependable control for 2-Way motorized zone valves. Designed to work with the V8043A 5000 Series, this power head ensures smooth actuation and reliable valve positioning across heating or cooling systems. For compatibility with modern control boards, the 24V AC supply ensures quick relay operations and precise valve travel. The unit operates at 24 Volt AC (50/60 Hz), making it compatible with standard HVAC controls and control boards.

With an 18-inch lead on the same side as the manual lever, installation is straightforward, allowing flexible wiring configurations and easier retrofits. Built for durability in residential and light commercial environments, it supports fast replacement and minimizes system downtime. The power head is rated for an ambient temperature up to 125°F, ensuring stable performance in typical installation environments and helping maintain consistent comfort and energy efficiency.

• Type: Power Head
• Used On: V8043A 5000 Series 2-Way Motorized Zone Valve
• Voltage: 24 Volt AC (50/60 Hz)
• Connection: 18 inch lead on the same side of the manual lever
• Ambient Temperature: 125°F