06-22-2010, 02:08 AM
L stands for liters (4 of them in a gallon) per minute of 20 degrees c heat rise
L-5- 5 liters a minute, L-10 ten liters (2 1/2 gal) of 20 degree C rise per minute max as the water flows across the heat exchanger
L-5- 5 liters a minute, L-10 ten liters (2 1/2 gal) of 20 degree C rise per minute max as the water flows across the heat exchanger