Product review (4 stars): Replaced it with and now the kit is perfect.
Was having issues with the low pressure regulator. The regulator was incredibly inaccurate. Replaced it with&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/WIKA-4311868-Industrial-Pressure-Gauge-Dry-Liquid-Fillable-Copper-Alloy-Wetted-Parts-2-34-Dial-0-30-34-Hg-0-60-psi-bar-Range-2-1-2-Accuracy-1-4-34-Male-NPT-Connection-Bottom-Mount/dp/B005P05U7S/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">WIKA 4311868 Industrial Pressure Gauge, Dry/Liquid-Fillable, Copper Alloy Wetted Parts, 2" Dial, 0-30"Hg-0-60 psi (bar) Range, +/- 2/1/2% Accuracy, 1/4" Male NPT Connection, Bottom Mount</a>&nbsp;and now the kit is perfect.