Top 20 Best Selling Compression Union Fittings Compression Fittings (2019)




This Eaton Weatherhead 7305X5 flareless tube union hex fitting is suitable for joining two tubes in a range of fluid transfer applications. It has 1/2-20 Society of Automotive Engineers (SAE) threads on each end for use with 5/16 outside diameter (OD) tub ... more info



This Eaton Weatherhead 7305X3 flareless tube union fitting is suitable for joining two tubes in a range of fluid transfer applications. It has 3/8-24 Society of Automotive Engineers (SAE) threads on each end for use with 3/16 outside diameter (OD) tubes a ... more info


Three piece construction - nut, sleeve and body with attached insert. Use with copper, brass, aluminum, or plastic tubing. -65 Degree F to +250 degree F temperature range. Standard fittings use short nuts. Easy to disassemble no flaring tool required. Pri ... more info



Three piece construction - nut, sleeve and body with attached insert. Use with copper, brass, aluminum, or plastic tubing. -65 Degree F to +250 degree F temperature range. Standard fittings use short nuts. Easy to disassemble no flaring tool required. Pri ... more info

1/8 x 1/4 Red Brass Compression x Male Thread Adapter ... more info



ANDERSON COMPRESSION UNION Compatible with copper, brass, aluminum & thermoplastic tubing Low pressure air, oil, water & gas Up to maximum pressure of 400 psi Carded 1/2 x 1/2a Discovery CON, NBR, SUP, SP+ ... more info

This Eaton Weatherhead 7305X4 steel hex union joins 1/4 outside diameter (OD) tubing using flareless Ermeto-style connectors. A preset sleeve creates a vibration-resistant compression seal for the Ermeto female connection with a working pressure of up to ... more info



Tube fittings are components used for connecting, branching, terminating, and changing the direction of tubing in pneumatic and hydraulic systems. They are made of brass, stainless steel, polybutylene terephthalate (PBT), and other materials that resist c ... more info


Introducing the fastest and easiest way to remove brass compression rings from copper plumbing! Most people leave the old compression nut and sleeve and just change the valve body only, which increases the chances of leaks and causes property damage. The ... more info


Tube fittings are components used for connecting, branching, terminating, and changing the direction of tubing in pneumatic and hydraulic systems. They are made of brass, stainless steel, polybutylene terephthalate (PBT), and other materials that resist c ... more info

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