|18L Sparge Water Heater||40L Sparge Water Heater|
|Minimum (*never go below this or the unit will cut out)||5L (1.3 US Gal)||5L (1.3 US Gal)|
|Maximum (*never fill above the max line)||16.5L (4.4 US Gal)||40L (10.6 US Gal)|
Note to fill these units you may put more than the max in as there is a deadspace below the tap.
- 2L (0.5 US Gal) for 18L Sparge Water Heater
- 2.5L (0.7 US Gal) for the 40L Sparge Water Heater