UPDATE!!! Hello all! Well, good news! My Induction heaters ARE compatible with the VonG and other larger stems! With a small glass piece adjustment and adding a small silicone spacer in the heating chamber the VonG works fine. All new shipments going out will have the glass already adjusted and will have 4 silicone pieces. All you'll have to do when using your VonG is add ONE of those silicone pieces to the chamber! This raises the depth of the chamber to accommodate the larger stem. If you already have one of my Induction heaters and want to use the VonG, carefully push the glass piece down to the point its flush with the silicone grommet / O ring. Then add the small silicone piece I included in your original order for depth adjustments.