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Metal valve body locknut with hexagonal shape and threaded interior

CHICAGO FAUCET COMPANY

CHICAGO FAUCET COMPANY 49-004JKRBF Valve Body Locknut

SKU CH-PM20-5N3F2

Secures valve bodies on Chicago Faucets manual fixtures with this locknut

  • Product typeManual Faucet
  • Valve Body Locknut secures faucet assembly
  • Genuine Chicago Faucets part ensures exact fit
  • Manual faucet compatible for standard installations
  • New condition guarantees full factory performance
  • California Proposition 65 warning informs safe handling

Valve Body Locknut 49-004JKRBF

The Chicago Faucet Company 49-004JKRBF Valve Body Locknut is a new replacement component designed for manual faucet assemblies. It secures the valve body within compatible Chicago Faucets installations. This miscellaneous bath hardware item addresses a specific maintenance need for existing fixtures.

Suits Chicago Faucets maintenance

This locknut suits plumbers or facility managers repairing Chicago Faucets manual faucets where the original retaining nut is lost or damaged. Buyers working on other faucet brands or modern cartridge systems should look elsewhere because the threading and dimensions are specific to this manufacturer's valve bodies.

California Proposition 65 chemical notice

California Proposition 65 warnings apply because this product contains a chemical known to the state to cause cancer and birth defects or other reproductive harm. The notice is a regulatory requirement for sale in California and informs installers about material content during handling.

How it compares

Measured against everything we stock in Bathroom Hardware & Grab Bars, at today’s prices. Recalculated every night.

Price $3.99
Cheaper than about 98% of the 797 comparable items (median $22.99).

Specifications

Product
Brand nameChicago Faucets
Product typeManual Faucet

Questions about this item

Will the 49-004JKRBF locknut thread onto my existing Chicago Faucets valve body?

The locknut is made to fit Chicago Faucets valve bodies, so it matches the thread pattern used on those fittings.

How can I confirm the locknut is seated correctly after installation?

When tightened, the locknut should hold the valve body firmly without rotation or visible gaps at the connection.

Does the package include any washers or seals, or must I buy them separately?

The listing specifies that no additional components are included with the locknut.

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