Room sealed fan assisted combustion appliance Has a flow rate of 20L down to 2.5L Electronically controlled constant temperature appliance • Digital control panel to set desired water temperature Can run multiple outlets simultaneously. This unit can be installed indoors and outdoors This unit is shipped with the Flue included. What you get with this special... The unit is installed with a single regulator about 5 meters from the current electric geyser and not more then 8 meters from the LP gas supply. With the 20L units we include a 2000 VA UPS which will allow for about 5 to 6 hours electricity supply during load shedding periods.