Is the glass broken? Or a seal defective?
When replacing the glass of a glass cover, we always recommend replacing the seal too. By default, we keep flat and holding seals in silicone in stock. The O ring seal (main seal) of the cover can be found under point
9.1 O-Ring Gaskets
Installation and removal instructions for glasses can be downloaded here.
Download the installation and removal instructions
Our durability lists for the various seal qualities can be downloaded here (specifications without guarantee).
Download Gaskte Resistance Table