Kape17 Smartphone photos are incredible nowadays…what were you using 🤣
Joking aside, you need to identify which tube is gurgling or whatever it’s doing and if you can, a larger photo, I have bad eyes in my older years. Plus it’s a bit blurry when zoomed, so I can’t make out the components clearly.. However, if you can’t and I had to guess, I assume it’s the vacuum breaker leaking.
If so, I would replace it with the new fitment which looks like this:
