White-Rodgers 1311-104 Hydronic Zone Valve

White-Rodgers 1311-104 Hydronic Zone Valve is a dependable 3-Wire control valve designed for precise zone control in hydronic systems. The nominal 1-1/4 inch size and corrosion-resistant stainless steel body ensure durability in hot-water circulation applications.

Engineered for reliable performance, this valve balances flow and efficiency across multiple zones in modern boiler and radiant heating setups. It handles water media with confidence, and its components are built for long life in demanding environments.

• 3-Wire operation for reliable control with standard thermostats and control boards
• Nominal size 1-1/4 inch; body material: stainless steel for corrosion resistance
• 45-second open/close timing for fast zone switching
• Input supply: 24 Volt AC at 0.4 A; includes matching auxiliary switch rated at 2 A
• Temperature rating up to 240°F and pressure rating of 50 PSI for hot-water circuits
• Media handled: water; designed specifically for hydronic system use
• Includes screw terminal wiring panel for clean, secure connections
• Overall dimensions: 4-5/8" W x 2-3/4" D; end-to-end distance: 3-11/16"
• Flow rate: 42.2 Cv to support adequate zoning flow
• Applications: ideal for hydronic system installations, boiler loops, and radiant heating