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The HARCO 69-3149D is a 1-1/4 inch black HDPE socket fusion cap designed to terminate water service piping cleanly and permanently. Made from high-density polyethylene, this cap accepts a socket fusion tool and creates a leak-free, monolithic joint when properly fused to a matching HDPE pipe end. Plumbers and utility installers use this fitting on potable water distribution lines, irrigation mains, and underground water service runs where corrosion resistance and long-term joint integrity are required.
This cap is suited for residential and light commercial water service applications using 1-1/4 inch HDPE pipe. It is a standard end-closure fitting for socket fusion systems, used wherever a capped termination is needed on a polyethylene water line. Common installation scenarios include new service laterals, pressure-testing dead ends, and capping unused branch stubs on distribution systems.
Designed as an OEM-style socket fusion end cap for 1-1/4 inch HDPE water service piping systems using standard socket fusion tooling and fittings.
Socket fusion fittings are installed by licensed plumbers or underground utility contractors using manufacturer-specified socket fusion tools, including a fusion iron, depth gauge, and proper-diameter facing tool. Depressurize and isolate the line completely before cutting or fitting. Follow ASTM F2620 or the fitting manufacturer fusion procedure for correct heat soak times and cooling periods. Do not apply mechanical force to the joint until the fusion bond has fully cooled.
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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