Fri May 13 2022

Vacuum leak on CO2 MMS

Hi, I am new to CO2 MMS. Can you give me suggestions where a vacuum leak might commonly be? I believe its in the soleniod, is it repairable/refurbishable? I've taken apart the solenoid and pulled/extended the spring to give more tension to rest on the valve? Didn't help. I've check all other seals and o-ring but they seem okay. My tester is good and the hoses hook up directly to the assembly.

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Sat May 14 2022Reply from michael1234

Depending how many years have so, You must replace all kind of seals and O-rings please because they decalibrate in time that why it's necessary Maintenance not spring please, do not tension the spring because decalibrate more faster the rubbers.Also, some of them have special Vaseline.


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Mon May 16 2022Reply from SpectramedxSean
avatar placemark

This is something my company deals with. We do repair and preventative maintence of several products, including CO2 MMS modules. We work primarily with Canadian customers. If you are looking for someone to take a look at the unit for you, please contact us through our website at

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Mon Jun 13 2022Reply from Emily Vitkovitsky
Emily Vitkovitsky

MedWrench is an informational community. We do not sell equipment or parts. We do, however, work as the link between buyer and seller. Please fill out a REQUEST FORM and we will pass it along to a company to contact you directly.

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