New TR21-4 W21.8-14 CO2 to 425g Cylinder Adapter CO2 Filling Adapter for Sodastream



New TR21-4 W21.8-14 CO2 to 425g Cylinder Adapter CO2 Filling Adapter for Sodastream DescriptionDescription:

– Adapter for the transfer of CO2 gas from large CO2 cylinders into the 425g cylinder, which is suitable for the CO2 cylinder.

– The ideal addition for your water dispenser. With the adapter you can fill your empty CO2 cartridges quickly.

– Detailed instructions are included. Safety with vent screw. The residual pressure that remains in the through hole of the adapter after filling can be safely released by opening the vent screw. The bottle valve of the cartridge closes at the same time as the residual pressure emerges. The connection is then depressurized so that the cylinder can be safely unscrewed. The connection and the thread of the CO2 gas bottles are standardized across Europe, so that the adapter can be used across the EU. The adapter uses the sealing surface on the cylinder valve of your CO2 cylinder. Your water cooler also seals this collar, making the adapter largely future-proof.
How to work

Step 1. Screw the adapter onto a standard CO2 gas bottle.

Step 2. The empty CO2 cylinder is screwed into the adapter.

Step 3. Open the valve on the large gas bottle.

Step 4. The cylinder is completely filled after approx. 15-20 seconds.

Step 5. Close the valve on the large gas bottle.

Step 6. Unscrew the CO2 cartridge – done!
Package Include:

1 x Adapter

1 x Sealing cylinder side (already inserted)

6 x Flat gasket (white)

1 x Set screw for RPV

1 x Bleed Screw

9 x O-ring seals


– Only suitable for trapezoidal threads!

– This device W21.8-14 is suitable for most European countries like Germany. Other Countries are not applicable. Please measure and check the size to make sure the item will fit you before paying.

– Please allow slight deviations due to manual measurements.

– Due to the difference between different monitors, the picture may not reflect the actual color of the item.

Details Pictures:

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