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

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“Y'all are amazing. I live in Texas and it's faster to order express from Noel's than go to local parts stores. Customers can text Noel's a picture of the part they need and Noel's will find that part or the equivalent and text the link. They have 2-3 day shipping available. The staff answers the phone quickly, politely and they know their stuff! The unit I needed plumbing parts for was built in the 30s. No matter, Noels has me covered. I highly recommend them. Thank you Noel's for your efficient, old school excellence combined with current technology! You have saved me so much time, money, and aggravation! A++++++ ”
-Thalia,
07/03/2026

$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.

 

 

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02/18/2022