IntelliPH injector...


LifeTime Supporter
Aug 1, 2014
Mesa AZ

I ordered a new 521510 acid injector valve for my IntelliPH recently and I got a part number that searching, is actually 522513Z though the box actually does say 521510. But I do see the 522513Z used interchangeably as the "acid injector check valve".

My concern is there is no tubing, on the 521510 there's a short length of stiff black tube that reaches down to inject the water into the stream. The part I got does not have this, don't I need that?

Here's what I got:

Here's what I was expecting:

Are these really interchangeable?


In The Industry
Apr 22, 2015
Waikoloa Hawaii
Old style/ new style. Compression fitting at the tops fit the same tubing for the acid injection. We have had some issues with the new style injector check valves sticking (resulting in the peristaltic pump tubes bursting....but otherwise the fittings work the same)

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