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The MIDLAND INDUSTRIES 26104 is a captive sleeve compression tee fitting manufactured from brass. It provides a three-way split in a compression tubing run, with all three ports sized at 5/16 inches and configured as compression connections. The captive sleeve design retains the compression sleeve on the fitting body, reducing the risk of losing components during installation. This fitting is suited for plumbing, refrigeration, and fluid-handling applications where a reliable, leak-resistant branch connection is required. Licensed plumbers and HVAC technicians are the primary installers of this type of fitting.
This tee is used in residential and light commercial systems where 5/16-inch compression tubing lines require a branched connection. Common applications include fuel gas supply lines, refrigerant or coolant tubing, and potable or process water distribution where compression-style fittings are specified. The captive sleeve configuration works with the 26004 sleeve nut, which is included or paired with this fitting to complete the compression joint at each port.
Designed as an OEM-style replacement and standard component for 5/16-inch compression tubing systems. Pairs with the MIDLAND INDUSTRIES 26004 sleeve nut to form a complete captive sleeve compression joint.
This fitting is typically installed by licensed plumbers or HVAC technicians. Shut off and depressurize the tubing system completely before disassembling or installing any compression fitting. Ensure the tubing end is cut cleanly and deburred before seating it into the compression port. Do not overtighten the sleeve nut, as brass fittings can be damaged by excessive torque.
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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