Taco SR503-4 3 Zone Switching Relay

The Taco SR503-4 3 Zone Switching Relay is designed to control three separate zones in hydronic heating or cooling systems, ensuring efficient management of heating and cooling. It is compatible with all standard thermostats, making it a versatile choice for various applications.

• Allows priority control of zones.
• Compatible with programmable and standard thermostats.
• Compact and easy to install design.

The Taco SR503-4 3 Zone Switching Relay features a robust relay-based switching mechanism that ensures precise control. External indicator lights offer instant diagnostic feedback. It is 100% factory tested and UL and CSA approved, providing assurance of quality and reliability.

• Type: 3-Zone
• Dimensions: 6-3/4 inches height x 10-1/4 inches width x 2-3/4 inches depth
• Power Rating: 1/3 hp
• Voltage Rating: 120 VAC, 1 Phase
• Amperage Rating: 1.5 A
• Contact Configuration: DPST
• Operation Mode: Automatic