Resideo - Honeywell Home V8043A1037

V8043A1037 from Resideo - Honeywell Home is a 24V zone valve designed for reliable hydronic zoning in residential HVAC systems.

This 1" Sweat valve delivers precise control as a 2-Position NC device with a flow coefficient CV=3.5, ideal for balancing heat across zones.

It replaces MZV526 for retrofit installs and uses standard 24V controls for straightforward installation.

Built for durable operation, the V8043A1037 features rugged internal components and corrosion-resistant materials suited for continuous zone cycling. Its compact design fits standard boiler and hydronic manifolds, while the 24V control simplifies wiring with most thermostats and control boards.

• Valve type: 24V zone valve, 2-Position Normally Closed (2-Pos NC)
• Connection: 1" Sweat (solder) connection
• Flow: CV 3.5 for reliable zone balancing
• Voltage: 24V AC coil
• Compatibility: Replaces MZV526 for retrofit projects

Ideal for radiant floor heating, hydronic systems, and boiler-based zoning, this valve provides consistent performance across seasonal temperature changes. Its easy install and proven reliability make it a smart upgrade for any residential HVAC setup.