Index: firmware/App/Services/FPGA.c
===================================================================
diff -u -rb49fcf5c295e49f7133ea07398c54b083bf65d49 -rae2b7f296dcd0247814356a28380b3ac582a8551
--- firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision b49fcf5c295e49f7133ea07398c54b083bf65d49)
+++ firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision ae2b7f296dcd0247814356a28380b3ac582a8551)
@@ -82,7 +82,11 @@
 #define DRAIN_PUMP_DAC_SHIFT_BITS       4                       ///< Drain pump DAC shift bits.
 
 #define FPGA_FLUIDLEAK_STATE_MASK       0x0004                  ///< Bit mask for fluid leak detector.
-#define FPGA_ENABLE_VALVES_CONTROL      0x015F                  ///< FPGA enable valves control
+#define FPGA_ENABLE_VALVES_CONTROL      0x015F                  ///< FPGA enable valves control.
+#define FPGA_VBF_PWM_PULL_IN_MS         ( 3 * MS_PER_SECOND )   ///< FPGA VBf PWM pull in in milliseconds.
+#define FPGA_VBF_PWM_LOW                9999                    ///< FPGA VBf PWM low.
+#define FPGA_VBF_PWM_PERIOD             16666                   ///< FPGA VBf PWM period.
+#define FPGA_ENABLE_VALVES_PWM          0x0020                  ///< FPGA enable valves PWM.
 #define CONCENTRATE_CAP_SWITCH_MASK     0x10                    ///< Concentrate cap switch bit mask.
 #define DIALYSATE_CAP_SWITCH_MASK       0x20                    ///< Dialysate cap switch bit mask.
 #define FPGA_THD_CONTROL_COMMAND        0X01                    ///< FPGA THd control command.
@@ -375,8 +379,12 @@
     memset( &fpgaActuatorSetPoints, 0, sizeof( FPGA_ACTUATORS_T ) );
 
     // Set the THd control register to 0x1 to make sure its ADC is running
-    fpgaActuatorSetPoints.fpgaTHdControlReg = FPGA_THD_CONTROL_COMMAND;
-    fpgaActuatorSetPoints.fpgaValveStates   = FPGA_ENABLE_VALVES_CONTROL;
+    fpgaActuatorSetPoints.fpgaTHdControlReg  = FPGA_THD_CONTROL_COMMAND;
+    fpgaActuatorSetPoints.fpgaValveStates    = FPGA_ENABLE_VALVES_CONTROL;
+    fpgaActuatorSetPoints.fpgaValvePWMEnable = FPGA_ENABLE_VALVES_PWM;
+    fpgaActuatorSetPoints.fpgaVBfPWMPullin   = FPGA_VBF_PWM_PULL_IN_MS;
+    fpgaActuatorSetPoints.fpgaVBfPWMLow      = FPGA_VBF_PWM_LOW;
+    fpgaActuatorSetPoints.fpgaVBFPWMPeriod   = FPGA_VBF_PWM_PERIOD;
 
     // initialize fpga comm buffers
     memset( &fpgaWriteCmdBuffer, 0, FPGA_WRITE_CMD_BUFFER_LEN );