GREATUS

GP76851 Mixer Cap and GP500520 Pressure Balancing Unit Parts Cartridge | Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts

Name: GP76851 Mixer Cap and GP500520 Pressure Balancing Unit Parts Cartridge | Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759
Brand: GREATUS
SKU: B07VZ4WRV2
Price: 34.10 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$34.10

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*Price sourced from Amazon.com. Last updated 2026-08-16. Price and availability subject to change.

Bottom line: The GP76851 Mixer Cap and GP500520 Pressure Balancing Unit 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. Compare close alternatives before committing.

SpecPicks Verdict

SpecPicks scored GP76851 Mixer Cap and GP500520 Pressure Balancing Unit Parts… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the games & cartridges category. GREATUS's games & cartridges lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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 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 Items	1
Number of Packs	1
Number of Ports	3
Specification Met	ASSE 1016, ASME A112.18.1
Inlet Connection Size	0.5 inches
Inlet Connection Type	National Pipe Tapered
Outlet Connection Size	0.5 inches
Outlet Connection Type	NPT

Ready to buy?

GP76851 Mixer Cap and GP500520 Pressure Balancing Unit Parts Cartridge | Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-16. Price and availability subject to change.