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The AQUALINE HXB-7550 is a threaded brass bushing designed to reduce a 3/4-inch female threaded port down to a 1/2-inch male threaded connection. Brass construction provides reliable corrosion resistance and durability in wet or pressurized service environments. Weighing 0.14 pounds, this compact fitting is a standard component used by plumbers, HVAC technicians, and pool service professionals whenever a pipe or fitting size transition is required at a threaded joint. The bushing threads into the larger female port and accepts a 1/2-inch male-threaded pipe, valve, or fitting on the opposite end.
This bushing is appropriate for residential and light commercial plumbing, HVAC piping, and pool or spa equipment installations where a 3/4-inch to 1/2-inch threaded reduction is needed. Common applications include water supply lines, hydronic heating systems, pool equipment manifolds, and similar systems that require a close-coupled pipe size transition at a threaded connection point.
Designed as a standard threaded brass reducing bushing suitable for 3/4-inch to 1/2-inch NPT threaded connections in plumbing, HVAC, and pool equipment piping systems.
Installation is performed by licensed plumbers or qualified HVAC or pool service technicians. Shut off the water supply or drain the system to zero pressure before threading any fitting into a live line. Apply thread sealant tape or paste to the male threads in accordance with applicable plumbing codes before assembly. Do not overtighten brass fittings, as excessive torque can crack the fitting body or damage mating threads.
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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