Index: firmware/App/Drivers/TemperatureSensors.c
===================================================================
diff -u -r3417933e6edf61a914c428e2fa944b3b349272a4 -r9c0f227670dcf68439c5ea86768d116cc6f9585e
--- firmware/App/Drivers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 3417933e6edf61a914c428e2fa944b3b349272a4)
+++ firmware/App/Drivers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 9c0f227670dcf68439c5ea86768d116cc6f9585e)
@@ -1,6 +1,6 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2025 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2024-2026 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
@@ -132,6 +132,11 @@
     tempSensors[ D50_TEMP ].zeroDegreeResistance  = PRIMARY_HEATER_TEMP_SENSORS_0_DEGREE_RESISTANCE;
     tempSensors[ D50_TEMP ].maxAllowedTemp        = TEMP_SENSORS_MAX_ALLOWED_DEGREE_C;
 
+    tempSensors[ D99_TEMP ].gain                  = PRIMARY_HEATER_TEMP_SENSORS_GAIN;
+    tempSensors[ D99_TEMP ].refResistance         = PRIMARY_HEATER_TEMP_SENSORS_REF_RESISTANCE;
+    tempSensors[ D99_TEMP ].zeroDegreeResistance  = PRIMARY_HEATER_TEMP_SENSORS_0_DEGREE_RESISTANCE;
+    tempSensors[ D99_TEMP ].maxAllowedTemp        = TEMP_SENSORS_MAX_ALLOWED_DEGREE_C;
+
     // Board temperature sensors conversion coefficient
     tempSensors[ BRD_TEMP ].conversionCoeff            = conversionCoeff;
     tempSensors[ BRD_TEMP ].maxAllowedTemp             = NON_FLUID_PATH_TEMP_SENSORS_MAX_ALLOWED_DEGREE_C;
@@ -189,6 +194,7 @@
     processTempSnsrsADCRead( D78_TEMP, getFPGAD78Temp() );
     processTempSnsrsADCRead( D4_TEMP, getFPGAD4Temp() );
     processTempSnsrsADCRead( D50_TEMP, getFPGAD50Temp() );
+    processTempSnsrsADCRead( D99_TEMP, getFPGAD99Temp() );
 
     //TODO: Read Board temperature
     //processTempSnsrsADCRead( TEMPSENSORS_INTERNAL_COND_TEMP_SENSOR, getFPGACondSnsrInternalTemp() );
@@ -314,6 +320,7 @@
         case D78_TEMP:
         case D4_TEMP:
         case D50_TEMP:
+        case D99_TEMP:
             temperature = getADC2TempConversion( avgADCReads, (U32)tempSensors [ sensorIndex ].gain, (U32)tempSensors [ sensorIndex ].refResistance,
                                                  (U32)tempSensors [ sensorIndex ].zeroDegreeResistance, tempSensors [ sensorIndex ].conversionCoeff );
             break;
@@ -408,6 +415,10 @@
             //calId = CAL_DATA_TRIM_HEATER_TEMP;
             break;
 
+        case D99_TEMP:
+            //calId = CAL_DATA_DIALYSATE_TEMP;
+            break;
+
         default:
             // Set the calibration temperature value as num of meaning calibration is not needed for the provided sensor
             //calId = NUM_OF_CAL_DATA_TEMP_SENSORS;