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The PARKER KP23870 is a push-to-connect union tube fitting designed for tube-to-tube connections in fluid and pneumatic distribution systems. Made from polymer construction, this union accepts 1/4 inch outside diameter tubing on both ends and holds a rated working pressure of 290 psi. The push-to-connect design allows tool-free tube insertion and release, reducing installation time in tight spaces or high-volume service scenarios. It is typically installed by HVAC technicians, plumbers, and fluid system mechanics working on low-pressure pneumatic or liquid lines where a removable, leak-resistant union joint is required.
This fitting is suited for residential and light commercial applications where a straight union connection between two runs of 1/4 inch OD tubing is needed. Common use cases include condensate drain lines, pneumatic control tubing, refrigeration sensing lines, and similar low-pressure distribution runs. Its compact polymer body makes it a practical choice in panel or equipment enclosures where metal fittings would add unnecessary weight or where corrosion resistance is a priority. Sold in a package quantity of five units per order.
Designed as an OEM-style replacement or stocking union fitting for systems using 1/4 inch OD push-to-connect tubing in pneumatic control, HVAC, and fluid distribution applications.
Installation is performed by licensed HVAC technicians, plumbers, or fluid system mechanics. Before servicing any line, relieve system pressure and isolate the affected section per applicable codes. Ensure tubing is cut square and deburred before insertion to achieve a proper seal. Do not exceed the rated working pressure of 290 psi in service.
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