THB Composite Push-to-Connect Reducing Union — Tube × Tube Air Fitting
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THB
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CPLV-016
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The THB composite push-to-connect reducing union joins two tubes of different outside diameters in a single straight fitting, letting you step an air line up or down in size without extra adapters. One-touch collets on both ends grip each tube instantly—no wrenches, clamps, or tools required—and release just as quickly when you press the collet ring.
Built with a lightweight composite (polymer) body and nickel-plated brass collets, it resists corrosion and holds up to everyday shop and factory use. The internal O-ring seal keeps both connections tight through repeated reconfiguration and maintenance.
Key features
- Reducing tube-to-tube union connects two different tube ODs
- Push-to-connect (one-touch) collets on both ends for tool-free install and removal
- Lightweight composite body with nickel-plated brass collets
- Internal O-ring for a secure, leak-free seal
- Corrosion-resistant construction for shop and industrial environments
- Available in five size-reducing combinations from 5/32" to 1/2" tube OD
Typical applications
Ideal for compressed-air distribution, pneumatic tools and automation, and instrumentation lines where a run needs to transition between two tube diameters.
Select your exact tube-size combination from the Size options above. Every size shares the same durable composite push-to-connect design for a consistent, professional-grade fitting across your entire air system.
NOTE: Actual product may be different from pictured!
Financing Options
Financing Options
We offer Financing Through Many Different Avenues:
- Affirm is great for smaller purchases. You can do this during checkout.
- Clicklease is a great option for Instant decisions up to 25k. NO Hard credit pull. No Time in Business Required. More information can be found out about it here: https://www.clicklease.com/partner/warthog-air-compressor-store
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