Rinnai Sensei Pump Harness
External Recirculation Pump Wire Harness (Part Number 105000250) is the essential accessory you need when adding an external recirculation pump to your non-RUR SENSEI tankless water heater models. This wire harness ensures seamless connection to the circuit board and the external recirculation pump. The required SENSEI tankless water heater models (non-RUR) include the RU199i/e, RU180i/e, RU160i/e, RU130i/e, CU199i/e, and CU160i/e.
For complete instructions on installing and wiring an external recirculation pump on a SENSEI tankless water heater, refer to the “Rinnai Tankless Water Heater Installation and Operation Manual.”

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