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B & K 888-576HC Pro-line Vacuum Breaker Repair Kit

Polished chrome threaded cap with white plastic vacuum breakers with black o-ring and black rubber washer.
B & K 888-576HC Pro-line Vacuum Breaker Repair Kit - Image 2
Polished chrome threaded cap with white plastic vacuum breakers with black o-ring and black rubber washer.

chat iconWHAT OUR CUSTOMERS SAY…

“Noel's Plumbing Supply found this place on Google maps. In and out service. The person I was speaking to the desk offered me a selection knew exactly what I needed price was really reasonable. You don't know how much it means to a homeowner to be able to come in without any run around trying to sell you something you don't need. I recommend this establishment to all my family and friends. ”
-Steve C

$9.47

 

The Mueller B&K 888-576HC (also known as the ProLine 888-576HC) is a vacuum breaker repair kit designed for anti-siphon frost-free sillcocks. Its primary function is to prevent wastewater from backflowing into the fresh water system.

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: 44407 Category: Tag:

Fix leaking, broken, or malfunctioning anti-siphon valves on B&K Mueller frost-free spigots. This 888-576HC replacement kit is designed for ProLine series brass sillcocks (104 series) to ensure proper backflow prevention.

 

888-576HC

 

  •  Fits models #104-823HC through 104-829HC and #104-843HC through 104-849HC.

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…

“These people were extremely helpful in taking me through replacing a 25 year old hard water frozen cartridge on my Philrich sink faucet. They were able to identify the correct part I needed from a photo I sent (I had it figured out wrong). I was pleasantly surprised they had an obscure part like this, but they also told me how to extract the old one when I couldn’t get it out. They said to unscrew it after I had concluded from YouTube the old cartridge was supposed to just slide out. It threaded out as they said and saved me buying a cartridge extractor and a hernia. The whole experience has been excellent. ”
-Pete L.
03/10/2026