Mansfield Sill Cock Repair Kit 630-7755

“Woodford Model 70 & 72 Repair Kit RK-70 (Obsolete Models 70 77 78 80 85 90 95)” has been added to your cart. View cart

White and tand plastic bonnet nuts black rubber seals washers o-rings round grey graphite packings stainless screw and washer with bright brass retainer cup and brass screw.

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-Ernestine P

10/19/2022

$30.47

The Mansfield 630-7755 (often referred to as the Prier 630-7755) is a comprehensive service repair kit designed to fix leaks in 300, 400, and 500 Series frost-proof wall hydrants.

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Mansfield Service Kit for 300/400/500 Series Hydrants

630-7755

It replaces all standard wear parts—such as seat washers, packing, and O-rings—to stop dripping or leaking from the handle area.
Works with original Mansfield wall hydrants and newer Prier Diamond 300/400 Series models manufactured from 1970 to the present.

Kit assembly image with all components.

Related Documents

300 Series Faucet Parts Breakdown

400 Series Faucet Parts Breakdown

500 Series Faucet Parts Breakdown

UPC:670210370363

Customer submitted images.

Common questions about this product

Yes, this is the OEM recommended part.

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.

WHAT OUR CUSTOMERS SAY…

“The cartridge in my kitchen sink broke last week so I've been without that sink for a whole week. I ordered a replacement from Noel's, which I could not find anywhere else and it worked perfectly. Thank you! You saved me! ”

-Matt F.

09/19/2025