Description
The Rinnai 104000208-K is a genuine OEM outlet thermostat kit engineered specifically for Rinnai tankless water heater models R75, R94, and V53i. The outlet thermostat is a critical sensing component responsible for monitoring and regulating the temperature of hot water as it exits the heat exchanger, ensuring your tankless unit delivers consistent, accurate hot water to every fixture in the home or commercial application.
Using a genuine Rinnai replacement part guarantees exact fit, function, and compatibility — protecting the performance and longevity of your tankless water heater investment. This kit is ideal for service technicians and HVAC/plumbing professionals performing scheduled maintenance or diagnosing temperature regulation issues on the listed Rinnai models.
Key Features
- Genuine OEM Rinnai replacement outlet thermostat kit
- Designed for precise hot water outlet temperature sensing and regulation
- Direct replacement — no modifications required
- Compatible with Rinnai R75, R94, and V53i tankless water heater models
- Supports reliable, consistent hot water delivery
- Helps restore proper unit operation and protect system components
Compatible Models
- Rinnai R75
- Rinnai R94
- Rinnai V53i
Specifications
- SKU: 104000208-K
- Brand: Rinnai
- Part Type: Outlet Thermostat Kit (OEM)
- Application: Tankless Water Heaters







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