Description
The Rheem RTG20299AV is a purpose-built thermostatic mixing valve designed for use with Rheem and Ruud tankless water heating systems. By blending hot and cold water supplies to a consistent, user-safe delivery temperature, this mixing valve helps protect against scalding while maximizing the efficiency of your tankless water heater installation.
Key Features
- OEM Rheem-Ruud replacement mixing valve — engineered for direct compatibility with Rheem and Ruud tankless water heater models
- Thermostatic mixing action automatically blends hot and cold water to maintain a safe, consistent outlet temperature
- Helps reduce scalding risk at point-of-use fixtures throughout the home or commercial space
- Durable construction designed to withstand the demands of continuous tankless water heating applications
- Genuine OEM part ensures proper fit, function, and long-term reliability
Why Use a Thermostatic Mixing Valve?
Tankless water heaters are often set to higher storage or output temperatures to maximize efficiency and eliminate bacteria growth. A thermostatic mixing valve tempers that hot water down to a safe delivery temperature before it reaches faucets, showers, and appliances — protecting occupants from scalding while allowing the heater to operate at its optimal set point.
Compatibility
- Designed for Rheem and Ruud tankless water heater systems
- Consult your equipment documentation or a qualified technician to confirm fitment for your specific model
Product Details
- Brand: Rheem / Ruud
- Part Number / SKU: RTG20299AV
- Type: Thermostatic Mixing Valve
- Application: Tankless Water Heaters







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