diff --git a/packages/seacas/libraries/ioss/src/Ioss_Doxygen.h b/packages/seacas/libraries/ioss/src/Ioss_Doxygen.h
index c816aa0889..d3c20468da 100644
--- a/packages/seacas/libraries/ioss/src/Ioss_Doxygen.h
+++ b/packages/seacas/libraries/ioss/src/Ioss_Doxygen.h
@@ -182,7 +182,8 @@ file. Then, the first file will be reopened and steps 0.7, 0.8, and
  Property              | Value  | Description
 -----------------------|:------:|-----------------------------------------------------------
   FILE_FORMAT          | [default], spyhis, csv, ts_csv, text, ts_text | predefined formats for heartbeat output. The ones starting with `ts_` output timestamps.
-  FLUSH_INTERVAL       | int   | Minimum time interval between flushing heartbeat data to disk.  Default is 10 seconds
+  FLUSH_INTERVAL       | int   | Minimum time interval between flushing heartbeat data to disk.  Default is 10 seconds.  Set to 0 to flush every step (bad performance)
+  HEARTBEAT_FLUSH_INTERVAL | int   | Minimum time interval between flushing heartbeat data to disk.  Default is 10 seconds (Same as FLUSH_INTERVAL, but doesn't affect other database types)
   TIME_STAMP_FORMAT    | [%H:%M:%S] | Format used to format time stamp.  See strftime man page
   SHOW_TIME_STAMP      | on/off | Should the output lines be preceded by the timestamp
   FIELD_SEPARATOR      | [, ]   | separator to be used between output fields.
diff --git a/packages/seacas/libraries/ioss/src/heartbeat/Iohb_DatabaseIO.C b/packages/seacas/libraries/ioss/src/heartbeat/Iohb_DatabaseIO.C
index ee019a6a46..32b02b82d2 100644
--- a/packages/seacas/libraries/ioss/src/heartbeat/Iohb_DatabaseIO.C
+++ b/packages/seacas/libraries/ioss/src/heartbeat/Iohb_DatabaseIO.C
@@ -1,4 +1,4 @@
-// Copyright(C) 1999-2023 National Technology & Engineering Solutions
+// Copyright(C) 1999-2024 National Technology & Engineering Solutions
 // of Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
 // NTESS, the U.S. Government retains certain rights in this software.
 //
@@ -209,6 +209,10 @@ namespace Iohb {
         new_this->flushInterval_ = properties.get("FLUSH_INTERVAL").get_int();
       }
 
+      if (properties.exists("HEARTBEAT_FLUSH_INTERVAL")) {
+        new_this->flushInterval_ = properties.get("HEARTBEAT_FLUSH_INTERVAL").get_int();
+      }
+
       if (properties.exists("TIME_STAMP_FORMAT")) {
         new_this->tsFormat = properties.get("TIME_STAMP_FORMAT").get_string();
       }
@@ -332,6 +336,7 @@ namespace Iohb {
     // Flush the buffer to disk...
     // flush if there is more than 'flushInterval_' seconds since the last flush to avoid
     // the flush eating up cpu time for small fast jobs...
+    // If want a flush every step for some reason, set `flushInterval_` to 0.0.
 
     // This code is derived from code in finalize_write() in Ioex_DatabaseIO.C
     // See other comments there...