Index: firmware/App/Services/TxParams.c
===================================================================
diff -u -r0c7cea955e3581c468341f20efc3b47ca4b9a001 -ra58dc5a4e066d593aab0570006fc93b7a8689a22
--- firmware/App/Services/TxParams.c	(.../TxParams.c)	(revision 0c7cea955e3581c468341f20efc3b47ca4b9a001)
+++ firmware/App/Services/TxParams.c	(.../TxParams.c)	(revision a58dc5a4e066d593aab0570006fc93b7a8689a22)
@@ -930,6 +930,7 @@
 //            case TREATMENT_PARAM_HEPARIN_DELIVERY_DURATION:
 //                result = ( ( value.uInt >= hdInstitutionalRecord.minHepDeliveryDurationMIN ) &&
 //                           ( value.uInt <= hdInstitutionalRecord.maxHepDeliveryDurationMIN ) ? TRUE : FALSE );
+//                result |= ( stagedParams[ TREATMENT_PARAM_HEPARIN_DELIVERY_RATE ].sFlt <= NEARLY_ZERO ? TRUE : FALSE );
 //                break;
 //
 //            case TREATMENT_PARAM_DRY_BICARB_CART_SIZE:
@@ -1030,11 +1031,13 @@
 //            case TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME:
 //                result = ( ( value.sFlt >= hdInstitutionalRecord.minHepBolusVolumeML ) &&
 //                           ( value.sFlt <= hdInstitutionalRecord.maxHepBolusVolumeML ) ? TRUE : FALSE );
+//                result |= ( fabs( value.sFlt ) <= NEARLY_ZERO ? TRUE : FALSE ); // Even if the minimum is not 0, 0 is accepted meaning heparin can be turned off
 //                break;
 //
 //            case TREATMENT_PARAM_HEPARIN_DELIVERY_RATE:
 //                result = ( ( value.sFlt >= hdInstitutionalRecord.minHepDeliveryRateMLHR ) &&
 //                           ( value.sFlt <= hdInstitutionalRecord.maxHepDeliveryRateMLHR ) ? TRUE : FALSE );
+//                result |= ( fabs( value.sFlt ) <= NEARLY_ZERO ? TRUE : FALSE ); // Even if the minimum is not 0, 0 is accepted meaning heparin can be turned off
 //                break;
 //
 //            case TREATMENT_PARAM_DIALYSATE_TEMPERATURE: