La Spirotechnique 1906 Alize servicing?

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Alize free-flows. Any idea of how to service it for pool use?
 

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Alize free-flows. Any idea of how to service it for pool use?
Parts diagram and service manual attached, it may be of interest to you.

I would love to find an Alize some day, pilot valve second stages are interesting and fun to play with.
 

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It appears IP on the Alize first stage is set at 7.5-8.5 bar.
If first stage pressure is too high?, it would be interesting to see if the second stage free flows when attached to another first stage set at correct IP.
 
https://www.shearwater.com/products/teric/

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