It isn’t hard to separate John Guest fittings. But it can be as they get older, grab tight and are in a hard to get to place.

This is more for folks that do a fair bit of playing around in their system. Or maybe doing extensive alterations.

This is to show the often forgotten internal thimble or collet that JG sell. And also the plastic lock ring horse shoe clip position.

Suggested spares.

JG specs.