Taco SR501 Switching Relay

The Taco SR501 Switching Relay is a compact, fully enclosed DPDT switching relay designed for boiler, circulator, and hydronic system control. Ideal for 1-zone actuation, it handles up to 12 Amp combined load with dependable performance, and it supports 6 Amp full load and 36 Amp locked rotor, making it suitable for demanding HVAC applications. The unit offers 24 V AC Class 2 universal thermostat compatibility and 120 Volt AC input, providing flexible wiring options for modern installations. With a robust NEMA 1 enclosure and a fully enclosed snap-out relay, this relay is built for reliability in demanding environments.

• DPDT switching for versatile control of multiple circuits
• 12 A combined load, 6 A full load, 36 A locked rotor ratings
• 1-zone actuation with 24 V Class 2 universal thermostat compatibility
• External indicator light for quick status checks
• Fuse protected and contractor-friendly PC board layout
• Compact design and simplified wiring for easy installation
• Input: 120 V AC at 60 Hz, 1/3 HP
• Enclosure: NEMA 1, UL/CSA listed
• 24 V power input/output terminal for reliable control

Choose the Taco SR501 for reliable, easy-to-wire relay control in boilers, circulators, and hydronic systems.