John Guest Push In Brass Stem Adaptor

The John Guest Push in connectors will provide a secure seal with out the use of any special tools.

They can be used for a wide range of materials, Including: Nylon, Plastic, Calibrated Cooper, Bundy Tubing.

We Recommend that they only be used for carrying the following: Air, Water, Petrol, Diesel and Oil.

Please note that under any circumstances they are not to be used for carrying acids or to be used for Braking Systems.


Part Ref Tube OD Thread
MM051504N 15 mm 1/2” BSPT
MM052206N 22 mm 3/4” BSPT
MM052818N 28 mm 1” BSPP