Honeywell V8043E1020 1inch Sweat Zone Valve with End Switch and Wiring Leads

Original price was: $145.78.Current price is: $127.63.

11 in stock

SKU: 69971 Categories: ,


The Honeywell V8043E1020 1-inch Sweat Zone Valve is a motorized valve commonly used in hydronic heating systems to control the flow of hot water to specific zones. Here’s a breakdown of its key features and benefits:


  • 2-way, straight-through design: Allows water to flow in either direction, simplifying installation and piping.
  • 1-inch sweat connection: Compatible with 1-inch sweat soldering for secure and leak-proof connections.
  • 3.5 Cv capacity: Delivers sufficient flow for most residential heating zones.
  • Normally closed: The valve remains closed when not energized, preventing unwanted water flow.
  • 24V low voltage operation: Requires a low-voltage transformer for safe and energy-efficient operation.
  • Spring return: The valve automatically returns to its closed position when power is lost.
  • Manual opener: Allows for manual operation of the valve in case of power outages or maintenance needs.
  • End switch: Provides feedback on the valve’s position for system control and monitoring.
  • Durable construction: Brass body and stainless steel stem ensure long-lasting performance.


  • Zone control: Enables you to control the flow of hot water to specific zones, improving comfort and energy efficiency.
  • Automatic operation: Works with a thermostat or other controller for automatic zone control, reducing manual adjustments.
  • Safety and reliability: Low-voltage operation and spring return ensure safe and reliable operation.
  • Easy installation and maintenance: Sweat connection and manual opener simplify installation and maintenance.
  • Durable and leak-proof: Brass construction and sweat connection provide a long-lasting and leak-proof solution.

Things to consider:

  • Compatibility: Ensure the valve matches your system’s voltage (24V), pipe size (1-inch), and flow requirements (3.5 Cv).
  • Installation requirements: Follow the manufacturer’s instructions for proper installation and wiring to avoid leaks and electrical hazards.
  • Zone configuration: Plan your zone layout and piping connections before installing the valve.
  • Professional assistance: If you’re unfamiliar with hydronic systems or electrical work, consider seeking help from a qualified plumber or HVAC technician for installation and troubleshooting.

Overall, the Honeywell V8043E1020 1-inch Sweat Zone Valve is a versatile and reliable option for controlling hot water flow in hydronic heating systems. Its combination of zone control, automatic operation, safety features, and ease of use makes it a popular choice for both homeowners and professional installers.

Additional information

Weight 2.27 lbs


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