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Review on Enhanced Precision: Unijin P251 Pressure Internals Accuracy Unleashed by Paul Wilson

Revainrating 5 out of 5

Good quality. Output 1/4 MNPT accurate.

1/4 MNPT gauge outlet odd size. It should be 1/4" but too big to fit in my 1/4 FNPT air filter. I'm going to re-tread with a 1/4" NPT die. Here I hope. Two stars. One for her, one for me. UPDATE: Air cleaner gauge intake turned out to be abnormally large. Probably a meth. So it was my fault that the 1/4 MNPT fitting didn't fit. This is a very good quality liquid filled pressure gauge at a very good price. So I changed my rating to 5 stars. Sorry for my mistake.

Pros
  • Gauge
Cons
  • Hardware