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Small metal stop valve hardware kit with brass fittings and chrome finish, new in sealed bag

Moen, Inc.

Moen, Inc. 12639 Stop Valve Hardware Service Kit

SKU CH-NSMV-AC8J0

A stop valve hardware service kit for Posi-Temp systems, part number 12639

  • TypeSink Racks & Basket
  • Compatible with Posi-Temp valves for precise temperature control
  • Genuine Moen replacement part ensures reliable long-term performance
  • Complete stop valve hardware kit simplifies repair tasks
  • Part number 12639 matches original equipment specifications exactly
  • Durable construction maintains consistent water pressure regulation

Stop Valve Hardware Kit 12639

Part number 12639 is a genuine Moen stop valve hardware service kit designed for Posi-Temp shower valves. It supplies the internal components needed to restore proper shut-off function in compatible Moen fixtures. Homeowners and plumbers use this kit when a Posi-Temp valve begins to leak or fails to close completely.

Compatibility Check Before Ordering

Verify that the existing shower valve is a Moen Posi-Temp model before purchasing this service kit. The kit is engineered exclusively for that valve platform and will not fit standard Moen cartridges or other brands. Confirm the valve body markings or installation paperwork to avoid ordering the wrong repair parts.

Sustained Use Behaviour

The replacement hardware is built from corrosion-resistant materials that withstand continuous exposure to hot and cold water cycles. Under daily shower use the components maintain sealing performance without the degradation seen in short-term pressure tests. This durability supports reliable operation over years of regular household demand.

Highlights

  • Compatible with Posi-Temp valves for precise temperature control
  • Genuine Moen replacement part ensures reliable long-term performance
  • Complete stop valve hardware kit simplifies repair tasks
  • Part number 12639 matches original equipment specifications exactly
  • Durable construction maintains consistent water pressure regulation

Specifications

TypeSink Racks & Basket

Questions about this item

What components are included in the 12639 stop valve hardware service kit?

The kit contains the stop valve hardware components needed to service a Moen Posi-Temp valve.

Is the 12639 kit the correct choice for every Moen valve or only specific models?

This kit is designed specifically for use with Moen Posi-Temp valves.

Once installed, what function does the 12639 kit restore in the valve?

It restores the stop valve hardware so the Posi-Temp valve can regulate water flow and temperature as intended.

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