It is recommended that the minimum air flow across the elements is 300 FPM (1.52 L/S) for open element heaters and 500 FPM (2.53 L/S) for tubular/sheathed elements.
It is recommended that the minimum air flow across the elements is 300 FPM (1.52 L/S) for open element heaters and 500 FPM (2.53 L/S) for tubular/sheathed elements.