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CO2Dapter-II Seal Repair

Eventually, all seals will wear out or fail, especially those used in the freezing environments of the CO2Dapter-II™.  Using this procedure to remove and replace the THICK SEALING WASHER on the CO2Dapter-II™ will guarantee a long and useful product life.

MAINTENANCE NOTE: CO2 is very harsh on all seals and o-rings.   Please maintain these by applying a thin film of oil on all seal and o-ring surfaces.  You can use regular cooking oil or the we offer on our Ordering Page.  O-Ring or Seal wear and tear or drying is NOT covered as a warranty item since they are considered normal wear items.

For this you will need the following:

CO2Dapter-II THICK Seal from our Parts Ordering Page
Medium Flat Blade Screwdriver (DO NOT use anything sharp that will damage seal)
Needle-Nose Pliers
Bowl with hot soapy water
Small brush or old toothbrush
Cooking Oil or other Food Grade Lubricant (sold on our Ordering Page)
Safety Glasses


Make sure that there is NO Gas in the line of the CO2Dapter-II!


Using small Needle-Nose pliers, grip the old seal firmly and remove from inside the CO2Dapter-II™.   Do not worry if it is destroyed, it's worn out anyway.

Using the small brush, scrub the inside of the adapter with the hot soapy water, rinse, and blow dry with air.  Be sure to remove any residue or debris particles before reinstallation.


NOTE: Due to variances in the rubber seal, you may need to slightly sand down the outer diameter of the seal to ensure a good fit.  Use a Medium Grit Sandpaper to sand down the diameter as needed.  DO NOT sand away too much rubber or the fit will be too loose.

Lubricate new seal with a small film of cooking oil or other FOOD GRADE lubricant on both sides to make the insertion easier.   WARNING: DO NOT use Motor Oil or other Household Oil!   Whatever you use, it  MUST be NON-TOXIC!  We sell NON-TOXIC Lubricant on our Ordering Page.

Hold seal in fingers so it forms a "U":

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Place the seal inside the CO2Dapter-II™:

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Gently nudge seal into groove at the bottom of the CO2Dapter-II™ until it is fully seated and there are no wrinkles or lifted edges.  NOTE: Use the flat blade screwdriver to work it in, being extremely careful to not gouge or scar the seal in any way.  It takes some practice but it is very easy once you get used to it.

Once seal is installed, you may continue to use the CO2Dapter-II™ as before.


Disclaimers - Terms and Conditions for Sale and Product Use

The names: Primo, Flavorstation 100, Flavorstation 500, Sparkler, Soda-Club, ALCO2JET, and Sodastream USA are owned and trademarked by their respective owners.  CO2Doctor.com is NOT affiliated with Soda-Club or Sodastream USA, nor do we endorse or claim ownership nor rights to any of those Trademarks or product names and they are solely used on our Website to identify their respective marketed products which are marketed by their respective sales organizations.

CO2Doctor.com, nor its owner(s), operators, or affiliates endorse any products nor claim any suitability for use other than as specifically stated in our online product information. All use of our products are solely at the Owner(s) / Buyer(s) risk and they bear the sole responsibility for adhering to their proper use and observation of safety precautions. No other warranties are expressed or implied and none are given or to be assumed. Any use or licensing violations rest solely with the product user and not the website, CO2Doctor.com, or its Owner(s) / Operator(s).

By Ordering and Using any products or services from CO2Doctor.com, you hereby attest that you legally OWN the ALCO2JET CO2 CO2 Tank to be refilled as well as any Valves or associated hardware for said Tank that is claimed to be "Under License" by Sodastream USA or its enterprises.  By reading these terms and purchasing any of our products you hereby agree to hold CO2Doctor.com, its Owner(s) / Operator(s), and affiliates fully harmless and agree to indemnify the same for any and all losses as a result of legal action brought on by the improper or illegal use of our product(s).  CO2Doctor, LLC reserves the right to refuse any sale or service to anyone for any reason.  Please read and agree to our terms and conditions prior to the purchase or use of our products.   Thank You.

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