Specification Brand : Cqaccesn BulletPoint1 : BulletPoint2 : BulletPoint3 : ⚙️SUITABLE FOR HVAC BOILER SYSTEMS –OEM 40003916-048 replacement power head fits V8043F1036 zone valves (V8043F1036, V8043F1093, V8043F1028, V8043F1101, V8043F1051). For older 4-screw models, use power head conversion kit (40003918); for newer 2-screw models, remove cover for direct mounting. BulletPoint4 : BulletPoint5 : ✅ Automatic Operation + Manual Override – Auto-returns to normal position after power restoration. Includes an emergency manual lever for power outages (note: auxiliary switch remains inactive during manual operation). Backed by a 10 Year Warranty, with customer support available to resolve any issues within 12 hours. Color : Silver ControlType : Button Control IncludedComponents : 1 zone valve,4 mounting screws 2 for each of the 2 types,1 Installation Manua ItemName : V8043F1036 Zone Valve 40003916-048 Actuator Motor Replacement Head, for V Series Zone Valve V8043F1093 V8043F1028 V8043F1101 V8043F1051 24Vac 50/60Hz Boiler Parts with Normally Closed end Switch ItemPackageDimensions_Height : 12 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 7.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hvac-controls Manufacturer : Cqaccesn Material1 : Copper Material2 : Stainless Steel NumberOfItems : 1 OperatingTemperature : 200 degrees_fahrenheit PartNumber : V8043F 40003916-048 Replacement Head ProductDescription : 40003916-048 Replacement Head for V Series Zone Valve (V8043F106, V8043F1093, V8043F1028, V8043F1101, V8043F1051) – With End Switch ✅ Premium Replacement Part – Manufactured to strict OEM standards, ensuring seamless compatibility and long-lasting performance, just like the original. ✅ Wide Compatibility – Engineered for Honeywell V Series Zone Valves (including V8043F106, V8043F1093, V8043F1028, V8043F1101, V8043F1051), making it ideal for replacements or upgrades. ✅ Durable Construction – Handles up to 20 PSI water pressure and withstands 200°F (93°C) max temperature, suitable for both chilled and hot water systems in HVAC applications. ✅ Easy Installation – Features a 3/4" sweat connection and comes with a terminal board for quick 2-wire control wiring, reducing setup complexity. ✅ End Switch Included – Provides an electrical signal when the valve opens/closes, allowing your HVAC system to monitor water flow status efficiently. ✅ Normally Closed (NC) Operation – Stays closed by default (no power), preventing leaks; when the thermostat sends a 24Vac signal, the valve opens to allow chilled/hot water into the fan coil unit for precise room temperature control. ✅ Smart Temperature Regulation – Once the room reaches the set temperature, the thermostat cuts power, and the internal spring automatically closes the valve, stopping water flow. Reopens when cooling/heating is needed again. ProductSiteLaunchDate : 2024-08-06T12:13:18.094Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 40141600 Voltage : 24 volts_of_alternating_current