Honeywell Home V8043 Motorized Zone Valve
Honeywell Home V8043 Motorized Zone Valve
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| Manufacturer Part Number (MPN) | V8043E1012 |
| De-Energized Default State | Normally Closed (NC) Straight-Through |
| Nominal Connection Fitting | 3/4-Inch Solder / Sweat Connection |
| Electrical Input Rating | 24 Vac; 50/60 Hz — 7.2 VA Max Consumption |
| Hydronic Capacity Flow Rating | 3.5 Cv Range |
| Working Pressure Limitations | 125 PSI Static Pressure / 20 PSI Max Close-Off |
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The Honeywell Home V8043 Motorized Zone Valve (V8043E1012) is a high-performance boiler part engineered to deliver premium hydronic efficiency and reliability. Built with a heavy-duty forged brass housing, this unit provides exceptional durability and outstanding resistance to demanding system environments. Its low-maintenance, high-performance architecture makes it an ideal solution for residential, commercial, and industrial hydronic application loops.
Operating as an automatic, two-position inline flow controller, the V8043 series manages regional loop staging by opening or sealing supply lines servicing baseboards, convectors, radiators, or radiant panels on electrical call. It features a smart Quick Fit powerhead layout, allowing mechanics to unlatch and swap the complete electronic actuator subassembly or replacement motor without ever tools-breaking the underlying copper line seals or draining massive line systems. Utilizing a specialized slow-closing mechanism, this spring-return valve minimizes physical water hammer spikes, while its integrated auxiliary end switch communicates seamlessly with standard circulator controls or multi-zone boards.
Advanced Engineering Features:
- Snap-Lock Quick Fit Actuator Cover: The mechanical powerhead assembly decouples quickly from the brass valve base to lower labor diagnostic times during routine maintenance cycles.
- Integrated SPST Auxiliary End Switch: Low-voltage control loop contacts immediately close upon a complete manual or powered open position to signal fire commands directly to boiler aquastats or pumps.
- Water Hammer Dampening Profiles: Calculated motor-drive timings deliver a smooth, quiet opening motion and a managed spring return to preserve rigid structural piping joints.
