crwdns2934241:0crwdne2934241:0 Julia Butterflys

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How can I test PE valve for flow?

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Concentrator shuts off after a couple of seconds, getting code for PE valve but tested with voltmeter and its good, how can I test PE valve for flow? Zeolite in sieve beds is dry but could it still need to be repoured, how can I tell? Thank you.

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Invacare Platinum 5 Platinum 10 Platinum XL

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open