This Mixer Balancing Cap Assembly Replacement for GP77759 is a great option for those looking to replace their Rite-Temp Shower Valve. It is a high-quality replacement that works well and is competitively priced. The product is a Valve Type and has a Model Number of GP77759. It is manufactured in China and comes with a Manufacturer Part Number of GP77759. Please note that this is not an OEM replacement, but it is still a great option for those looking for a reliable replacement at a good value. This product is perfect for those looking to improve their home plumbing and fixtures, and is a great addition to any home improvement project.