Steam trap failure in a fully open position would result in exceptionally good heat transfer, and steam trap failure in a full closed position would result in exceptionally poor heat transfer.

Steam trap failure in either a fully open or fully closed position would both result in exceptionally poor heat transfer.

Steam trap failure in a fully open position would result in exceptionally poor heat transfer, and steam trap failure in a full closed position would result in exceptionally good heat transfer.

Steam trap failure in either a fully open or fully closed position would both result in exceptionally good heat transfer.