40003916-048 Powerhead Replacement,For V8043F Series Zone Valve, V8043F1036 V8043F1093 V8043F1028 V8043F1101 V8043F1051,24V AC 50/60Hz Actuator Head with End Switch & Screw Terminal, Normally Closed
【Fits V8043F Series】:Compatible with V8043F zone valves, including common models such as V8043F1036 and V8043F1093. Restores 24V, two-wire motor control and normally-closed operation for hydronic heating loops.
【24V Actuator with End Switch】:Equipped with a synchronous 24V AC 50/60Hz motor and an integrated SPST end switch for boiler or circulator confirmation when the valve reaches full-open position.
【Screw-Terminal Wiring】:Uses screw-terminal connections for quick and secure wiring during replacement. Matches the original V8043F wiring layout for fast service and clean installation.
【Service Without Draining】:The powerhead can be removed and replaced without draining the hydronic system or opening the sweat-soldered valve body, reducing downtime during maintenance.
【Reliable Spring-Return Design】:Opens smoothly under low-voltage control and returns by spring action when power is removed. Designed for consistent performance in residential and light-commercial hot-water heating applications.