How to clean out your coil
step 1. Take the heater module off
step 2. Take the UV light bulbs off
step 3. Take the distiller tube off (distiller tube is where your finished water comes out)
step 4. Place your machine in the sink with the end of the coil facing your ceiling and the boiler chamber facing the bottom of your sink.
step 5. Take a small funnel to fit in the end of the coil
step 6. Use a pot or tea kettle to boil some water and pour the boiled water into the funnel to backflush the coil,.. You may have to do so a couple of times to make sure the coil is clean.