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The MIDLAND INDUSTRIES 20661 is a 90-degree push-to-connect union elbow designed for metric fluid and pneumatic tubing systems. The composite body construction connects 8 mm tubing on both ends using a tool-free push-to-connect mechanism, making it a practical choice for directional changes in plumbing, pneumatic, and light industrial lines. It is rated for 150 psi working pressure and operates across a temperature range of 32 to 140 degrees F. Plumbers, HVAC technicians, and industrial service pros install this fitting where a 90-degree turn is needed without soldering, threading, or compression tooling.
This fitting is suited for residential and light commercial applications where metric 8 mm tubing is routed through tight spaces or around obstacles. The union design allows either side to be disconnected independently, which is useful during retrofits or service calls where tubing must be removed without cutting. The composite body keeps weight low and resists corrosion in typical wet or humid environments.
Designed as an OEM-style replacement or new-installation fitting for systems using 8 mm metric push-to-connect tubing in plumbing, HVAC, or light pneumatic applications.
Installation is performed by plumbers or HVAC technicians following applicable IPC or local plumbing code requirements. Before installing or removing the fitting, shut off and depressurize the line completely. To release tubing from a push-to-connect fitting, press the collet ring inward while pulling the tubing straight out - do not angle the tubing during removal as this can damage the internal grab ring. Verify that tubing ends are cut cleanly and squarely and are fully inserted to the depth mark before pressurizing the system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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