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Pasco 4511 1/2″ IPS Thread & Nipple Internal Key

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“I was at my witts end with a 39 year old American Standard faucet. It had been leaking for many, many months so I contacted American Standard. They referred me to Noel’s Plumbing. My faucet would not have been able to be replaced without removing the whole tub. They immediately contacted me and told me what to do. They stayed with me the whole time till I found the problem although they didn’t get a sale out of me they did fix my problem no more leaky faucet, I have them in my contacts now and will use them anytime I have a plumbing problem. Thank you Noels Plumbing for the best service I’ve ever had!! ”
-as
02/22/2024

$39.27

 

The Pasco 4511 is an internal nipple wrench (or internal nipple key) designed for 1/2-inch IPS (Iron Pipe Size) plumbing applications. It is used to install, loosen, or tighten pipe nipples and to remove broken threaded pieces from within fittings without damaging external finishes like chrome.

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SKU: 52451 Categories: , Tag:

The PASCO 4511 Internal Nipple Wrench (1/2″ IPS) is a time-saving plumbing tool engineered for homeowners and DIYers tackling tough bathroom or kitchen repairs. Whether you are replacing a broken shower arm, removing frozen fittings, or working on delicate chrome fixtures, this internal pipe wrench bites hard from the inside so you can complete your project without scratching finished surfaces.

 

4511

 

  • It is engineered to expand or grip internally against the inside walls of a pipe or fitting.
  • Made from precision-machined, hardened alloy steel or heavy-duty brass construction to ensure durability under high torque.

Common questions about this product

Is this item the original manufacturer's recommended replacement part? chevron-icon

Yes, this is the OEM recommended part.

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06/15/2026