A true smart thermostat designed to provide you complete control and significantly reduce your gas use. Features OpenTherm to automatically reduce your boiler flow temperature which combines automatio..

Replacement actuator for: ES-ZV223, ES-ZV283, ES-ZV283 Zone valves..

Replacement actuator for: ES-ZV222, ES-ZV282, ES-ZV282, ESZV222, ESZV228, ESZV222W, ES-ZV222W, ESZV222L, ES-ZV222L, ESZV222LM, ESZVA2N, ESZVA222 Zone valves ..

Replacement actuator for ESZV222PM Zone valves..