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The B&K 521-801HN is a 1/4 inch malleable black iron pipe plug. It is designed for use in plumbing systems where a secure seal is required to block the flow of liquids or gases. This plug is commonly used in a variety of applications including HVAC, plumbing, and industrial settings.
This product is essential for creating tight seals in plumbing lines. It is suitable for both residential and commercial applications.
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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