Leaking from the tap - Sparge Water Heater 40L Kelsey September 02, 2022 23:16 Updated Once the tap is assembled... Test for leaks by filling the unit with enough water to cover the shank. If there are leaks, ensure that the silicone washer is flat and centered on the shank. Related articles Instructions - 40 L Sparge Water Heater Why won't my 40L Sparge Water Heater boil when it is set to 100°C (212°F)? Why is my Sparge Water Heater Cutting Out? What are the minimum and maximum amounts of water I can heat in the Sparge Water Heater? Video - How to Guide for Using the G40