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The NIBCO PCH6031 is a 1-inch press x female threaded adapter designed for joining copper tubing systems without soldering or open flame. This fitting uses a mechanical press connection on one end and a female threaded connection on the other, making it a reliable transition point between press-fit copper pipe and threaded components. It is part of the NIBCO PressG product line, engineered for use in residential and commercial gas, water, and compressed air systems. Licensed plumbers and HVAC technicians install this fitting using compatible press tools, jaws, and chains. A unique "N" witness mark becomes visible after a proper crimp, confirming a secure connection.
This adapter is suited for both above-ground and underground installations in residential and commercial plumbing and mechanical systems. It is used where a copper press line must terminate or connect to a female-threaded valve, nipple, or equipment port. The 1-inch size fits standard 1-inch copper water tube per applicable sizing standards. It is applicable in potable water, gas distribution, and compressed air piping where copper press fittings meet code requirements.
Designed as an OEM-style press fitting for use with seamless copper water tube in standard 1-inch press-fit plumbing and mechanical systems. Compatible with press tools, jaws, and chains designed for NIBCO PressG fittings.
Installation requires a compatible press tool and the correct jaw size for 1-inch copper press fittings. Shut off and depressurize the system completely before cutting into any existing line. This fitting is installed by licensed plumbers or HVAC technicians in accordance with applicable local plumbing codes and NIBCO technical data sheets. Refer to NIBCO engineering documentation for torque, pressure ratings, and system-specific installation requirements.
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