GREATUS
GP76851 Mixer Cap and Pressure Balancing Unit (Shower) Parts Cartridge Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The GP76851 Mixer Cap and Pressure Balancing Unit (Shower) Parts Cartridge Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts is a niche pick — read recent reviews before buying in the games & cartridges category, priced around $34.10. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies GP76851 Mixer Cap and Pressure Balancing Unit (Shower) Parts… as a niche pick — read recent reviews before buying in the games & cartridges category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. GREATUS's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for games & cartridges of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ 4.Please confirm the model before purchasing.
- ✓ Backed by GREATUS's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 1. Controls pressure and regulates temperature to ensure a gracious shower experience, repairing the problem of old equipment leakage and cannot mix hot and cold water correctly.
- 2.Consists of the parts replace for the #GP500520 and #GP77759， Includes cartridge and mixer cap for 1/2" valve. Compatible with most Rite-Temp valves.
- 3. Including the sandpaper, which can help you remove scale and avoid leakage caused by scale.
- 4.Please confirm the model before purchasing.
- 5. Please pay attention to the correct installation of the O-ring, the O-ring needs to be placed flat in the groove, dont rotate the cartridge, just put it directly.
Full Specifications
| Size | 3.3 inches |
|---|---|
| Brand | GREATUS |
| Material | Metal, Plastic, Rubber |
| Unit Count | 1.0 Count |
| Valve Type | Globe Valve |
| Thread Size | 1/2 inch |
| Thread Type | 1/2 inch NPT |
| Model Number | GP76851 |
| Material Type | Metal, Plastic, Rubber |
| Connector Type | 1/2 inch fitting |
| Exterior Finish | Black Finish |
| Item Dimensions | 3.5 x 3.1 x 3.1 inches |
| Number of Ports | 3 |
| Specification Met | ASSE 1016, ASME A112.18.1 |
Ready to buy?
GP76851 Mixer Cap and Pressure Balancing Unit (Shower) Parts Cartridge Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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