B & K Products 888-221RP Replacement Drain Caps

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Bright brass sthreaded caps with black rubber seals.

WHAT OUR CUSTOMERS SAY…

“I was very happy with Noel’s Plumbing. I was searching for a fairly rare part and saw it listed on their website. After placing my order, I was informed that the item was actually on backorder. Noel’s Plumbing was upfront and honest right away, letting me know it might take some time to arrive. Throughout the wait, they consistently kept me updated, which I really appreciated. When the part finally came in, they shipped it out immediately. It arrived exactly as described and was precisely what I needed. Excellent communication, honesty, and follow-through. Thank you, Noel’s Plumbing! ”

-Dave F.

04/04/2026

$5.27

The B&K Products 888-221RP refers to a pack of multi-size brass replacement drain caps designed for use with most drainable valves, such as ball, gate, and stop valves. The pack includes three different styles of female-threaded caps and accompanying rubber gaskets to ensure a tight, water-tight seal.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, noelsplumbingsupply@fuse.net, or via the text widget on this screen.

SKU: 32888 Category: Hydrant Hose Faucet Parts Tag: B & K Products

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B & K Industries Valve Drain Caps

888-221RP

These caps are used to seal the drain ports (also known as weep-holes or side overflows) on valves, which allows the non-pressurized side to drain without fully removing the cap. This is particularly useful for maintenance or winterizing plumbing systems.
3-piece pack
Made to work on valves with side overflow
Overflow hole allows non-pressurized side to drain without fully removing the cap
Ridged outer texture allows for easy operation open or close