Does Mill have Oil Premium heaters with WiFi? Akmal December 30, 2021 12:33 Updated Yes, but as of now they are only sold in the Nordics. Related articles Server status How do I reset my Mill Oil Premium heater? What is the difference between a Mill WiFi Generation 1, 2, and 3 heater? What is the main difference between panel heaters, convection heaters and oil heaters? My Mill Oil heater turns off before it reaches the desired temperature. What do I do? Comments 0 comments Article is closed for comments.