VC7934ZZ11 VC Modulating Actuator, (0)2-10 Vdc, 24 Vac

Modulating actuator that controls central heating and cooling, fan coil systems, radiators and convectors. Depending on the model, it can be controlled by a low voltage SPST or SPDT switch, pulse-width modulated 24 Vac signal, or floating input, modulating controller.