Contact us for current availability and an estimated lead time before ordering.
Check availability & lead time
1/2-inch Hot Ceramic Valve, Clockwise Closing
Genuine Kohler GP77005-RP 1/2-inch ceramic replacement valve for the hot-water / clockwise-closing side of compatible faucets and valve assemblies. Spline adapter 78125 is included.Fit, installation and product details Kohler identifies this valve for many two-handle faucets from 1990–2010, including selected 4-inch centresets. Compatibility depends on the existing valve design and faucet revision. The 1/2-inch GP77005/GP77006...
Genuine Kohler GP77005-RP 1/2-inch ceramic replacement valve for the hot-water / clockwise-closing side of compatible faucets and valve assemblies. Spline adapter 78125 is included.
Fit, installation and product details
- Kohler identifies this valve for many two-handle faucets from 1990–2010, including selected 4-inch centresets. Compatibility depends on the existing valve design and faucet revision.
- The 1/2-inch GP77005/GP77006 family is used in compatible kitchen and bathroom faucets, shower controls and deck-mounted valves. It is distinct from the 3/4-inch 1000188/1000187 family and from UltraGlide valves.
- Match the existing cartridge, closing direction and parts drawing before ordering. GP77006-RP is the separate cold / counterclockwise-closing counterpart.
Resources
Choose options

Helpful information
Everything to check before you order
Review availability, what’s included, additional parts, support and manufacturer documents before ordering.
- Brand
- Kohler
- Model / SKU
- GP77005-RP
What’s included
See the product description and manufacturer documents for package contents. Need to confirm a specific item? Contact us before ordering.
You may also need
Some installations need additional parts such as a valve, rough-in, drain, seat or mounting hardware. Check the manufacturer documents or contact us and we’ll help confirm what your installation requires.
Parts, repair & warranty
- Replacement parts
- Replacement parts may be available for this model. Contact us with the model number and the part you need.
- Service & repair
- Faucetera+ does not provide installation or repair labour. We can help you find manufacturer support information.
- Care & repair information
- Manufacturer care, maintenance and repair information is provided when available. Contact us if you need help finding it.
Nothing here limits any rights or legal warranties that apply to your purchase.
Information for Quebec customersGuides & documents
Need a specification sheet, installation guide or care document? Contact us and we’ll help find the manufacturer information for this product.
Before installation: Confirm the product, finish and required parts are right for your project, then review return eligibility.
Return policy