How to Maintain Silicone Heater for Stable Day-to-Day Heating

https://smart-heaters.brightsora.com/posts/choosing-a-ito-glass-heater-for-your-application-a-practical-checklist

Many heating problems look like a power problem at first. In practice, the cause may be contact, heat loss, sensor position, or poor fit. A silicone heater works best when these parts are planned together