For use with hot water machines it is recommended to swap out the agitator pad periodically. Most issues with a foamer are related to the agitator pad getting clogged with coil scale or debris in the water.
You can find Replacement Agitator Pads here.
Used my foamer right after I got it and boy does it work. Thick foam with no bottle is really amazing. It is extremely simple to use aswell thanks to the guys at chem x!
Awesome to hear it Max thank you!❌