Description
Rinnai 205000041 TF Harness — EXC Series Replacement Part
The Rinnai 205000041 is an OEM replacement TF (temperature/function) wire harness designed specifically for compatible Rinnai EXC series tankless water heater models. Engineered to Rinnai’s exacting standards, this harness restores proper electrical communication between key components, helping maintain safe and efficient unit operation.
Key Features
- OEM Rinnai replacement part — engineered for precise fit and function
- Designed for use with Rinnai EXC series tankless water heater models
- Restores reliable electrical signal transmission between unit components
- Supports correct TF (temperature/function) circuit operation
- Helps prevent nuisance faults caused by damaged or degraded wiring
- Direct drop-in replacement for simplified installation
Application
This wire harness is a critical internal component for Rinnai EXC series tankless water heaters. When the original harness becomes worn, damaged, or corroded, replacing it with the genuine Rinnai 205000041 ensures the unit’s temperature sensing and functional circuits operate as intended by the manufacturer.
Why Choose OEM Parts?
Using genuine Rinnai replacement parts like the 205000041 helps protect your equipment warranty, ensures compatibility, and delivers the reliability that professional HVAC and plumbing technicians depend on. Trust Jackson Systems to supply the right part for the job.







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