1 8 npt to 1 4 barb for sale, brand-new and used.

V-5100 Series Subminiature Vacuum Switch Box of 10, Part number V-5100-5 Below is information off their web site regarding this part. Features Low Cost Subminiature Size Low Differential Snap-Action Switch Fast Response The V-5100 Series Subminiature Vacuum Switches interface from vacuum to electrical control circuits; they are ideal for low differential vacuum applications. The switches are adjustable 1 to 28" Hg with a maximum signal pressure of 29.9" Hg.

Warehouse Closing Down Sale! Retail Price: $360 Description Differential Pressure Gage, Pressure Range 0-10 In WC, Relay Type 2 DPDT, Rated 10 A@28 VDC, 10 A @120/240 VAC, Accuracy +/-2% @70 Deg F Full Scale, Pressure Range Minor Div 0.2, Rated Total Pressure 20 In Hg to 25 PSIG, Gage Connection 1/8 In NPT, Power Requirement 110 VAC @50/60 Hz, Dial Size 4 In, Compatible With Air and Non-Combustible Gas, Ambient Operating Range 20 to 120 Deg F, CE/UL/CSA, Includes Instructions Restrictions