Index: firmware/App/Modes/BloodPrime.c
===================================================================
diff -u -rfb1673d2282822995ed233f3e9ea5dfb0567780d -r4fc093ea280a0bdb47c20d25efb7c840b9f9867a
--- firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision fb1673d2282822995ed233f3e9ea5dfb0567780d)
+++ firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision 4fc093ea280a0bdb47c20d25efb7c840b9f9867a)
@@ -237,7 +237,7 @@
         setBloodIsPrimed( TRUE );       // Signal treatment mode that blood prime is completed
         signalDialInPumpHardStop();     // Stop dialysate recirculation - dialysis sub-mode will restart dialysate pumps
         signalBloodPrimeToDialysis();   // Signal treatment mode that it's time to start dialysis
-        //cmdStopDGTrimmerHeater();       // Stop trimmer heater - dialysis sub-mode will restart as appropriate // TODO un-comment in DEN-13834
+        cmdStopDGTrimmerHeater();       // Stop trimmer heater - dialysis sub-mode will restart as appropriate
     }
     // Is blood prime taking too long based on set BP rate?
     else if ( fabs( expectedBloodPrimeVolume_mL - getBloodPrimeVolume() ) > MAX_BLOOD_PRIME_VOLUME_ERROR_ML )