Taco SR503-EXP-4 Switching Relay 3 Zone Expandable 120 VAC voomi_id_3233 Ensure reliable refrigerant regulation

Ensure reliable refrigerant regulation

solderless connections in your electrical projects

MPN: D1191

suitable for delicate adjustments

Taco SR503-EXP-4 Switching Relay 3 Zone Expandable 120 VAC voomi_id_3233 Ensure reliable refrigerant regulationProduct 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