Resideo by HoneyWell 40003916-031 Powerhead for Zone Valve - 120V V4043B

The Resideo by Honeywell 40003916-031 is a 120-volt replacement powerhead designed specifically for use with V4043B series zone valves. This motorized actuator provides reliable operation for hydronic heating systems, controlling the opening and closing of zone valves to regulate hot water flow to different heating zones.

Key Features:

• 120VAC electrical rating for standard residential and commercial applications
• Direct replacement powerhead for V4043B zone valve bodies
• Simple snap-on installation without special tools required
• Durable motor construction for long service life
• Visual position indicator shows valve open/closed status
• Compact design fits in tight mechanical spaces

This powerhead is ideal for servicing existing Honeywell/Resideo zone valve installations where the motorized actuator has failed but the valve body remains functional. Compatible with V4043B series zone valves commonly found in residential and light commercial hydronic heating systems.