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The BMI USA 6015 is a lead-free brass threaded coupling designed to join pipe or tubing of two different sizes in plumbing and fluid system applications. This 1/4-inch by 1/8-inch reducing coupling provides a secure, threaded connection between mismatched lines, making it a practical fitting for tight spaces and retrofit situations. At 0.07 pounds, the fitting is compact and lightweight without sacrificing the durability that brass construction provides. Lead-free compliance makes it suitable for potable water installations where material standards are enforced by code.
This coupling is used in residential and light commercial plumbing systems where a reduction between 1/4-inch and 1/8-inch threaded lines is required. Typical applications include water supply lines, compressed air distribution, instrumentation connections, and HVAC condensate or refrigerant accessory lines. Licensed plumbers and HVAC technicians reach for this fitting when adapting between different pipe sizes during new installation or service work.
Designed as an OEM-style replacement or direct-install threaded reducing coupling for 1/4-inch by 1/8-inch NPT threaded pipe connections in residential and light commercial plumbing and fluid handling systems.
Installation should be performed by a licensed plumber or qualified technician in accordance with applicable local plumbing codes and IPC guidelines. Shut off the water supply and relieve system pressure before making or breaking any threaded connections. Apply thread sealant tape or compound to the male threads before assembly, and tighten to a firm, wrench-tight fit without overtightening, which can crack the fitting body. Do not use pipe wrenches on the fitting body itself — use an appropriately sized open-end or adjustable wrench on the hex flats.
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