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The HARCO 69-3149E is a 1.5-inch socket fusion cap designed for HDPE water service piping systems. Manufactured in black high-density polyethylene, this cap terminates a pipe end using heat-fusion joining, creating a permanent, leak-resistant seal without mechanical fittings or adhesives. Socket fusion connections are pressure-rated and well-suited for buried or exposed water distribution lines. Licensed plumbers and water service contractors install this fitting as part of new construction or repair work on HDPE piping systems.
This cap is used in potable water and general water distribution applications where HDPE pipe is specified. The 1.5-inch socket fusion end accepts standard HDPE pipe of the same nominal size. It is commonly installed at the end of a run to blank off unused branch connections, cap lateral stubs during phased construction, or permanently terminate a water service line. The black color indicates this fitting is intended for water service use rather than gas distribution.
Designed as an OEM-style replacement and standard fitting for 1.5-inch socket fusion HDPE water service piping systems.
Installation requires a socket fusion tool heated to the temperature specified for the pipe SDR rating and fitting size. Shut off and depressurize the water line before cutting and fusing. Work must comply with applicable plumbing codes, including IPC and local water authority requirements for potable water piping. Allow the fused joint to cool undisturbed for the full recommended hold time before restoring pressure.
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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