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B & K Proline 889-581 Frost Free Faucet Cartridge

Brass cartrdige with black rubber o-rings.
B & K Proline 889-581 Frost Free Faucet Cartridge - Image 2
B & K Proline 889-581 Frost Free Faucet Cartridge - Image 3

chat iconWHAT OUR CUSTOMERS SAY…

“This place rocks! I have replaced two parts for an old Gerber faucet in the laundry tub. After the spout was leaking, I could not find the right washers anywhere. I had to replace the whole spout, which they had in stock, and it was priced competitively. Now, not a drop leaks. ”
-John D.
02/03/2024

$28.47

 

The ProLine 889-581 is a specific ceramic cartridge used for repairing old-style frost-free outdoor faucets (sillcocks) made by B&K Mueller.

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: 23205 Category: Tag:

Repair your outdoor faucet with the authentic B&K Proline 889-581 ceramic cartridge. Designed specifically for older “old style” ProLine frost-free faucets (not compatible with new models), this 3-13/16 inch cartridge restores 1/4-turn, leak-free operation to your wall hydrant.

 

889-581

 

  • It is specifically for the “old style” B&K Mueller ProLine frost-free faucets and not compatible with the newer models.
  • It is a 1/4-turn cartridge, meaning the water flow goes from off to on with a quarter turn of the handle.
  • The cartridge provides key internal flow control and a water-tight connection within the sillcock valve body.
  • 3 13/16″ Length

 

Related document

 

Common questions about this product

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

Yes, this is the OEM recommended part.

Is this the correct item for my application? chevron-icon

If you’re not sure text us a picture 1-888-275-6635 or email us a picture at noelsplumbingsupply@fuse.net.

 

We will make sure you have the right part.

 

 

chat iconWHAT OUR CUSTOMERS SAY…

“Order received and installed. Thank you very much (spoken mentally in my best Elvis voice). Really is nice to know that there is still a business out there that's got their act together! Appreciate the quick service and correct parts shipping. Thanks again.. jP ”
-Jack P.
04/02/2026