The NIBCO PCR-38M is a professional 3/8″ OD mini pressing jaw made for the NIBCO PressACR® system, designed to deliver consistent, reliable press connections on ACR copper lines. This jaw is intended for use with the NIBCO PCR-20M press tool, making it the correct accessory when you need to press 3/8″ OD PressACR copper fittings in HVAC/R installations.
During operation, the jaw installs into the press tool and closes fully through the press cycle—proper closure is essential to achieve a leak-free connection. NIBCO press jaws and tools are part of the complete PressACR system approach to ensure a dependable, permanent joint between copper piping and NIBCO press fittings.
This is the mini jaw format (PCR series), built for better access and handling in tighter work areas compared to larger standard jaws—ideal for service work, retrofits, and tight mechanical spaces.

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