Product Description
. . . . . Siemens 243-00510 1/2" SWT 2-Way Normally Open Zone Valve SR Fail Safe Actuator, 1.0 Cv (24V). Siemens. Siemens. 243-00510.
. . . . . Siemens 243-00510 1/2" SWT 2-Way Normally Open Zone Valve SR Fail Safe Actuator, 1.0 Cv (24V). Siemens. Siemens. 243-00510.