Index: firmware/App/Drivers/InternalADC.c
===================================================================
diff -u -r5a36a768d11cc597a36b894c1fb3a5e5590130f1 -r9a3be9ebb32e5e0d8e1496def50e04dedf490406
--- firmware/App/Drivers/InternalADC.c	(.../InternalADC.c)	(revision 5a36a768d11cc597a36b894c1fb3a5e5590130f1)
+++ firmware/App/Drivers/InternalADC.c	(.../InternalADC.c)	(revision 9a3be9ebb32e5e0d8e1496def50e04dedf490406)
@@ -33,30 +33,30 @@
 /// ADC channel number to ADC channel ID (enumeration) look-up table.
 const INT_ADC_CHANNEL_T adcChannelNum2ChannelId[ MAX_ADC_CHANNELS ] =
 {
-    INT_ADC_RO_PUMP_INLET_PRESSURE,     // 0
-    INT_ADC_RO_PUMP_OUTLET_PRESSURE,    // 1
-    INT_ADC_DRAIN_PUMP_OUTLET_PRESSURE, // 2
-    INT_ADC_DRAIN_PUMP_INLET_PRESSURE,  // 3
-    INT_ADC_MAIN_24_VOLTS,              // 4
-    INT_ADC_FPGA_1_8_VOLTS,             // 5
-    INT_ADC_FPGA_1_VOLT,                // 6
-    INT_ADC_SENSORS_3_3_VOLTS,          // 7
-    INT_ADC_PROCESSOR_1_8_VOLTS,        // 8
-    INT_ADC_POWER_SUPPLY_GATE_DRIVER,   // 9
-    INT_ADC_SENSORS_5_VOLTS,            // 10
-    INT_ADC_LOGIC_5_VOLTS,              // 11
-    INT_ADC_3_3_VOLTS,                  // 12
-    INT_ADC_CONCENTRATE_PUMP_1,         // 13
-    INT_ADC_CONCENTRATE_PUMP_2,         // 14
-    INT_ADC_PROCESSOR_1_2_VOLTS,        // 15
-    INT_ADC_REFERENCE_VOLTAGE,          // 16
-    INT_ADC_PRIMARY_HEATER_24_VOLTS,    // 17
-    INT_ADC_TRIMMER_HEATER_24_VOLTS,    // 18
-    INT_ADC_REF_IN1,                    // 19
-    INT_ADC_REF_IN2,                    // 20
-    INT_ADC_BOARD_THERMISTOR,           // 21
-    INT_ADC_POWER_SUPPLY_1_THERMISTOR,  // 22
-    INT_ADC_POWER_SUPPLY_2_THERMISTOR,  // 23
+    INT_ADC_RO_PUMP_INLET_PRESSURE,       // 0
+    INT_ADC_RO_PUMP_OUTLET_PRESSURE,      // 1
+    INT_ADC_DRAIN_PUMP_OUTLET_PRESSURE,   // 2
+    INT_ADC_DRAIN_PUMP_INLET_PRESSURE,    // 3
+    INT_ADC_MAIN_24_VOLTS,                // 4
+    INT_ADC_FPGA_1_8_VOLTS,               // 5
+    INT_ADC_FPGA_1_VOLT,                  // 6
+    INT_ADC_SENSORS_3_3_VOLTS,            // 7
+    INT_ADC_PROCESSOR_1_8_VOLTS,          // 8
+    INT_ADC_POWER_SUPPLY_GATE_DRIVER,     // 9
+    INT_ADC_SENSORS_5_VOLTS,              // 10
+    INT_ADC_LOGIC_5_VOLTS,                // 11
+    INT_ADC_3_3_VOLTS,                    // 12
+    INT_ADC_RO_PUMP_FEEDBACK_DUTY_CYCLE,  // 13
+    INT_ADC_AVAILABLE_CHANNEL,            // 14
+    INT_ADC_PROCESSOR_1_2_VOLTS,          // 15
+    INT_ADC_REFERENCE_VOLTAGE,            // 16
+    INT_ADC_PRIMARY_HEATER_24_VOLTS,      // 17
+    INT_ADC_TRIMMER_HEATER_24_VOLTS,      // 18
+    INT_ADC_REF_IN1,                      // 19
+    INT_ADC_REF_IN2,                      // 20
+    INT_ADC_BOARD_THERMISTOR,             // 21
+    INT_ADC_POWER_SUPPLY_1_THERMISTOR,    // 22
+    INT_ADC_POWER_SUPPLY_2_THERMISTOR,    // 23
 };
 
 const F32 ADC_CHANNEL_READ_TO_UNITS[ NUM_OF_INT_ADC_CHANNELS ] =
@@ -66,8 +66,8 @@
     0.06438104, // PSIA- INT_ADC_RO_PUMP_OUTLET_PRESSURE
     0.06438104, // PSIA- INT_ADC_DRAIN_PUMP_OUTLET_PRESSURE
     0.06438104, // PSIA- INT_ADC_DRAIN_PUMP_INLET_PRESSURE
-    1.0,        // ?   - INT_ADC_CONCENTRATE_PUMP_1   // TODO - get units and conversion for these 2 channels
-    1.0,        // ?   - INT_ADC_CONCENTRATE_PUMP_2
+    0.001365,   // V   - INT_ADC_RO_PUMP_FEEDBACK_DUTY_CYCLE
+    1.0,        // ?   - INT_ADC_AVAILABLE_CHANNEL
     0.00700441, // V   - INT_ADC_PRIMARY_HEATER_24_VOLTS (varies inversely with PWM for secondary element)
     0.00763285, // V   - INT_ADC_TRIMMER_HEATER_24_VOLTS (varies inversely with PWM)
     0.001221,   // V   - INT_ADC_BOARD_THERMISTOR