Doesn't work. The pressure is the same before and after installation. Line pressure change zero. I'm going back and looking for a higher quality block. Update: So I stuck with this block for a while (didn't have time to swap it out again) and noticed some pressure changes over time. Basically, I depressurized the entire system when moving my storage tanks, and after that I noticed my pressure getting closer to the 70psi I wanted. It still fluctuates in the 80-90psi range so I'm not sure if this product is that accurate. So 3 stars. Functions. As if.
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