keg charger

Hi all, first time poster with a seemingly big problem. I’ve got a Corny Keg which I’m trying to attach a Keg Charger and outlet tap to. I’ve attached my keg charger to the In Inlet with a disconnect and tap to the outlet using another disconnect. I’ve no idea why beer isn’t coming out of the...

New to brewing, does anyone know the thread used between the two components on topincn keg charger sold by amazon uk. And is it any good.