The sensor wiring harness on a Rinnai HDC1500i commercial continuous flow water heater carries the temperature readings from the appliance's sensors back to the main control board. Accurate signal transmission here is essential — the appliance can only regulate combustion and temperature as well as the data it's receiving.
Wiring harnesses are a wear item: repeated heat cycling and general use can degrade connections over time, leading to signal loss or intermittent readings. This genuine Rinnai harness, made to the original specification, restores a clean connection between the sensors and the control board, keeping combustion and temperature control accurate.
⚠ Important: This part must be installed by a Gas Safe registered engineer. Isolate the gas and electrical supplies before starting work.
Erratic temperature control or intermittent sensor faults on a HDC1500i often come down to wiring rather than the sensors themselves, especially once a harness has been through repeated heat cycles. This genuine part restores that connection to factory reliability, so the control board is working from accurate data rather than a degraded signal.
Order the Rinnai 1500i Sensor Wiring Harness online today.
| Manufacturer | Rinnai |
|---|---|
| Part Number | P1500-724 |
| Product Type | Sensor Wiring Harness |
| Primary Compatibility | HDC1500i |
| Function | Sensor-to-PCB Electrical Connection |
| Application | Continuous Flow Water Heater |
| Installation Requirement | Qualified / Gas Safe Engineer |
