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Mainline MLC-4 is a rubber test cap designed for reliable sealing in plumbing applications. It effectively prevents the escape of water during pressure testing. This cap is suitable for use in various plumbing systems, ensuring optimal function and minimal disruption.
Use this test cap for plumbing testing to ensure a sound seal and prevent leaks.
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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