Index: firmware/App/Controllers/Ultrafiltration.c
===================================================================
diff -u -r387ea33c2e45705550905bc1a97e13db1cc95bf8 -rd748813399d38ef5b71d760e327e368cc82d7a38
--- firmware/App/Controllers/Ultrafiltration.c	(.../Ultrafiltration.c)	(revision 387ea33c2e45705550905bc1a97e13db1cc95bf8)
+++ firmware/App/Controllers/Ultrafiltration.c	(.../Ultrafiltration.c)	(revision d748813399d38ef5b71d760e327e368cc82d7a38)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2025 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2025-2026 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.
 *
 * @file    Ultrafiltration.c
 *
 * @author  (last)      Vinayakam Mani
-* @date    (last)      23-Jul-2025
+* @date    (last)      09-Feb-2026
 *
 * @author  (original)  Vinayakam Mani
-* @date    (original)  23-Jul-2025
+* @date    (original)  28-Jul-2025
 *
 ***************************************************************************/
 
@@ -104,9 +104,22 @@
     // Calculate UF volume and determine UF pause/run
     updateUFRequest();
 
-    // Compensate balancing error at defined interval
-    UpdateUFCompensation();
+    // Trimmer heater enabled, hence UF temp compensation is optional
+    if ( getTestConfigStatus( TEST_CONFIG_DD_ENABLE_UF_TEMP_COMPENSATION ) == TRUE )
+    {
+        // Compensate balancing error at defined interval
+        UpdateUFCompensation();
+    }
+    else if ( TRUE == isUFRateUpdated )
+    {
+        //get updated UF rate
+        compUFrate = getTDUFRate();
 
+        // Update UF rate
+        setConcentratePumpTargetSpeed( D76_PUMP, compUFrate, DOSING_CONT_VOLUME );
+        isUFRateUpdated      = FALSE;
+    }
+
     // execute current ultrafiltration exec state
     switch ( ufExecState )
     {
@@ -181,10 +194,10 @@
 
 /*********************************************************************//**
  * @brief
- * The updateUFRequest function updates the ultrafiltration rate per iteration
- * and of the ultrafiltration.
+ * The updateUFRequest function updates the ultrafiltration requested
+ * flag to true or false based on the conditions.
  * @details \b Inputs: TD Uf rate, TD Dialysate flow rate and bypass flag
- * @details \b Outputs: ufVolumeperIteration , isUltrafiltrationRequested
+ * @details \b Outputs: isUltrafiltrationRequested
  * @return none.
  *************************************************************************/
 static void updateUFRequest( void )