Normal sodastream adaptors require an alan key to adjust the pin height and depending on how worn out your seal is you may need to adjust this pin periodically. This is also a pain. This new design is what you need.
SodaStream Cylinder/Bottle Adapter (with pin adjustment) CO2 Beer Gas Regulators
TR 21 x 4 Thread Sodastream Cylinder to BS 341 No. 8 W21.8-14 Adapter with PIN
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Regulator fits Sodastream Cylinder CO2 Pushfit Integrated Ball Lock MDP Gas Line
Regulator fits Sodastream Cylinder CO2 PRV Ball Lock PVC Gas Line Keg Charger
Regulator Fits Sodastream Cylinder CO2 Gas Line Corny Keg Charger Ball Lock
