5/8" Discharge Bypass Valve, Adjustment Range:0/80, Standard Setting:60, Average PSI Change Per Turn:7.5, Maximum Pressure:425PSIG, Ext Eq Size:1/4" ODF, Nominal Capacities:R-22:9.58 Tons, R-134A:6.98 Tons, R-404A:9.82 Tons, R-507:8.81 Tons, Connection Size:5/8" X 5/8" Sweat, Dims:3-1/8"H X 7"W X 9-1/4"D, Weight:3Lbs 14oz, In Mfg Box, Made in USA.(Alt X15091187020)