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The Mainline ML87503 is an essential component for plumbing systems. This test cap is designed for high-pressure applications, making it ideal for testing and sealing PVC drainage, waste, and vent (DWV) systems. The glue-on feature ensures a secure and reliable fit, preventing leaks during pressure testing.
This test cap meets high-pressure requirements for efficient testing in plumbing setups.
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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