I use a baby burco water boiler. I used to have one with the element in the water but every five years or so the element would break. I now have one with the element outside the water and not had any problems.
Here is a similar one https://www.amazon.ca/Adcraft-WB-40-40-Cup-Stainless-120-Volt/dp/B00NI41UAY/ref=sr_1_249?dchild=1&keywords=water+boiler&qid=1602336360&sr=8-249