John Guest male plug
Insertion plug to close a John Guest push‑fit connection in the selected size.
Available sizes
5/16", 3/8" and 1/2", depending on variant.
Practical use
Allows you to close an unused port temporarily or permanently during configuration, expansion, maintenance or testing of an installation.
Installation
Depressurise, select the exact size and insert the plug fully. To remove it, release the fitting mechanism as you would with a compatible tube.
Frequently asked questions
What sizes are available?
5/16", 3/8" and 1/2".
Can I use a similar size?
No.
Is it reusable?
It can be reused if it remains in good condition.
Do I need to depressurize?
Yes, before assembling or disassembling.