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The VALUE COLLECTION 160-303NL is a brass compression pipe coupling designed to join 3/8 inch pipe to 1/2 inch copper tube without soldering or special tools. Rated at 125 psi WOG (Water, Oil, Gas), this fitting delivers a reliable, leak-resistant connection in a compact form. Machined from brass, it resists corrosion and handles the mechanical stress common in plumbing, HVAC, and light commercial service applications. Plumbers and HVAC technicians install this fitting where a permanent, pressure-rated compression joint is required on copper tubing runs.
This coupling is suited for residential and light commercial plumbing systems, potable water supply lines, hydronic heating distribution, and HVAC refrigerant-adjacent copper tubing where a compression-style connection is preferred over a sweat joint. It is particularly useful in retrofit and repair work where heat cannot be applied near existing components or finished surfaces. The 3/8 inch pipe by 1/2 inch copper tube sizing makes it a common choice for supply stub-out connections and equipment hookups.
Designed as an OEM-style replacement or new-installation compression coupling for 3/8 inch pipe and 1/2 inch copper tube connections in residential and light commercial plumbing and HVAC systems.
Installation is performed by a licensed plumber or qualified HVAC technician. Shut off water supply and depressurize the line before fitting removal or installation. Ensure copper tubing is cut square, deburred, and fully seated against the fitting stop before tightening the compression nut. Follow applicable IPC and local plumbing code requirements for compression fittings used on potable water or gas service.
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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