White-Rodgers 1311-103 Hydronic Zone Valve

The White-Rodgers 1311-103 Hydronic Zone Valve is designed for reliable zone control in residential and commercial hydronic heating systems. Built with a corrosion-resistant stainless steel body, this 3-wire zone valve delivers precise on/off performance in demanding water-based applications.

Key specs include nominal 1 inch size, 45-second open/close timing, and a 24 Volt AC input rated at 0.4 Amp. The unit is rated for up to 240°F water and 50 psi pressure, making it suitable for most domestic hydronic setups. It handles water as the working media and features a screw terminal wiring panel for easy installation, plus a 24 Volt AC 2 Amp auxiliary switch for additional control options.

Designed for efficient zone regulation, this valve integrates seamlessly with your boiler or circulating pump and helps balance temperatures across zones with minimal energy use.

• Type: 3-Wire hydronic zone valve
• Nominal size: 1 inch; overall dimension 4-5/8" W x 2-3/4" D; end-to-end distance 3-1/8"
• Material: corrosion-resistant stainless steel body
• Timing: 45 seconds (open/close)
• Electrical: 24V AC, 0.4 Amp input; includes 24V AC 2 Amp auxiliary switch
• Media/Pressure/Temp: water; up to 240°F; 50 psi
• Application: hydronic system with screw terminal wiring panel