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Metric John Guest push-fit fittings
Here you will find black and white push-fit connectors for hoses and pipes with metric external dimensions. The range includes straight connectors, elbows, tees, reducers, bulkhead unions, valves and pipe thread adapters.
Sizes and connection types
The couplings are available for, among other things, 8, 10, 12, 15 and 22 mm hoses or pipes. The selection also includes adapters for internal and external threads in imperial sizes.
The millimetre measurement normally refers to the outside diameter of the hose or pipe. Therefore, always check the outside diameter, thread type, material, fluid, temperature and working pressure before ordering and installation.
Cut the tube squarely and push it fully into the push-fit coupling. Do not mix metric sizes with imperial sizes, even though the measurements may look almost identical. Only use the coupling in direct contact with wort or beer if the specific model's specifications state that it is suitable for this.