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The MIDLAND INDUSTRIES LF60CSP-4 is a compression sleeve plug designed to terminate or cap off a 1/4-inch compression fitting connection. Constructed from lead-free brass, this plug meets the material requirements for potable water and other fluid-handling applications where lead content is regulated. The 7/16-24 thread specification ensures a precise mechanical fit within the compression assembly. It is installed by plumbers, HVAC technicians, and refrigeration mechanics working on tubing systems that require a secure, leak-resistant termination point at an open compression port.
This sleeve plug is suited for residential and light commercial plumbing, HVAC, and refrigeration installations where a compression-style connection must be sealed or capped. It is compatible with aluminum, copper, or plastic tubing, making it a versatile choice across a range of system types and tubing materials. The lead-free brass construction also makes it appropriate for use in systems subject to low-lead compliance requirements under applicable plumbing codes.
Designed for use with aluminum, copper, or plastic tubing in 1/4-inch compression fitting applications. Suitable as an OEM-style replacement or service fitting in plumbing, HVAC, and refrigeration compression systems.
Installation is typically performed by a licensed plumber or HVAC technician. Shut off the water supply or depressurize the refrigerant or fluid circuit before installing or removing any compression fitting. Hand-tighten the plug into the compression seat, then snug with an appropriately sized wrench - avoid overtightening, which can crack the ferrule or distort the seat. Verify there are no leaks after restoring system pressure.
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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