Panel-Mount 6-Zone Switching Relays with Predrilled Screw Holes and Labeled Connections for Temperature Controls, Hydronic Pumps, and Boilers SR506-4

Features: Six-Zone Hydronic Control: Dedicated control paths coordinate heating calls across 6 boiler and circulator-pump zones, supporting separate zone management for multiple rooms or floors. Defined Electrical Capacity: 120 VAC input, up to 1/3 horsepower per zone, and a 20A total load limit provide clear ratings for matching planned hydronic equipment. Organized Control Connections: Labeled terminals identify thermostat, circulator-pump, and boiler-control wiring, while predrilled holes support panel mounting. Thermostat And Pump Compatibility: Compatible with 24V conventional, programmable, and connected thermostats and hydronic circulator pumps rated up to 1/3 horsepower per zone. Package Contents: Includes 1 switching control unit for boiler and zone-pump hydronic systems; confirm the SR506-4 application and electrical ratings for the intended installation. Specifications: Type: Switching Control Unit Component: ABS Color: Green Size: Approx.15cm/5.9inch Part Number: SR506-4 Voltage: 120 VAC Current: 20A Quantity: 1 Unit Package Includes: 1 Unit Switching Control Unit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.