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suitable for delicate adjustments
� Bright white backlit display is easy to read
GS certified for safety and reliability in industrial applications
solderless connections in your electrical projects
Taco SR503-EXP-4 Switching Relay 3 Zone Expandable 120 VAC voomi_id_3233 suitable for delicate adjustmentsProduct Description The Taco SR503 EXP 4 is a highly efficient, expandable switching relay designed for HVAC applications. Engineered by Taco, this device facilitates the control of up to three heating zones with the option to expand further. Its compatibility with multiple thermostat types alongside a user friendly PC board design makes it ideal for various installation scenarios. Supports 3 heating zones, expandable for larger systems. Equipped with
