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The HAM-LET 3101862 is a brass compression tube union tee fitting designed to join three compression tube lines at a single junction point. Built to ASTM B68 and ASTM B75 standards, this tee uses compression-style end connections on all three ports, eliminating the need for soldering or threading during installation. At 2.84 inches in overall length, it is a compact, reliable component suited for small-bore tubing systems. Licensed plumbers, HVAC technicians, and instrumentation technicians typically install this fitting in low-pressure fluid or gas distribution lines where a clean, repeatable tube connection is required.
This compression tee is suited for residential and light commercial applications where three-way tube branching is needed. It is commonly used in HVAC refrigerant line accessories, plumbing distribution, and instrumentation tubing systems. The compression connection style allows for tool-assisted, leak-resistant joints without open flame, making it appropriate for environments where torch work is restricted or impractical. The fitting is also cross-referenced to Swagelok part number B-810-3 for techs familiar with that product line.
Cross-references to Swagelok part number B-810-3. Designed as an OEM-style replacement or direct substitute for brass compression tube union tee fittings in compatible tubing systems meeting ASTM B68 and ASTM B75 specifications.
Installation should be performed by a licensed plumber or qualified HVAC or instrumentation technician. Shut off system pressure and relieve all line pressure before disassembling or installing compression fittings. Use an appropriate tube cutter and deburring tool to ensure a clean, square tube end before seating the ferrule. Follow applicable IPC or IFGC guidelines for fitting installation in pressurized systems.
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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