Taco® Switching Relay, Single Zone, 120 VAC, 5 A, 1/3 hp, DPDT, Domestic
Make the switch The Taco SR501 Switching Relay's layout makes short work of any job. Its snap-in PC board easily replaces other single zone switching relays, without replacing the entire box. Combined with the complete line of Taco zone controls, 00® circulators, thermostats and zone valves, the circuit for simplified installation and service work is complete.