Rinnai 104000240 Flame Rod/Electrode Kit (VC)
A replacement flame rod/electrode kit used in Rinnai tankless water heater service to support proper ignition and flame sensing when the specified kit is required.
Key Features:
- Listed as a Flame Rod/Electrode Kit (VC)
- Product type listed as an Electrode Kit
- SupplyHouse indicates this item replaces 10400240 and 10400240-K
Compatibility & Applications:
- Intended for use in Rinnai equipment only where a flame rod/electrode kit is specified for service (general manufacturer servicing context).
- Must only be used where the manufacturer specifies this exact part number: 104000240.
Installation & Operation Notes:
- Installation should be performed by a qualified service technician familiar with gas-fired water heater service.
- Refer to the specific unit's service/installation documentation for correct access, removal, and reassembly steps.
- Rinnai component replacement instructions (for systems using ignitor/flame rod harnesses) describe steps that include disconnecting and reconnecting the ignitor/flame rod harnesses, restoring power/water/gas, and performing a gas leak detection test after reassembly; follow the unit-specific documentation for the correct procedure and sequence.
Maintenance & Troubleshooting:
- Rinnai troubleshooting documentation for direct-vent appliances ties flame-sensing/ignition issues to items such as flame rod condition, flame rod connections, and buildup on the ignitor/flame rod.
- Manufacturer troubleshooting guidance includes checks such as verifying the flame rod is secure in its bracket, inspecting for cracks, cleaning carbon or white buildup from the ignitor/flame rod, and replacing the flame rod/ignitor gasket if the seal is broken during service.
- This kit is typically used when service procedures call for replacement of the flame rod/electrode assembly rather than cleaning or tightening alone, as directed by the unit's service documentation.
Certifications & Compliance:
- No separate certifications or listings are explicitly stated for this service part in the provided sources.
User Reviews & Q&A Summary:
- Reviews commonly describe the kit as a correct replacement used to restore normal hot water operation after intermittent performance or ignition-related symptoms.
- Several reviewers mention using troubleshooting resources to identify the flame rod/electrode as the root cause before ordering.
- Some feedback notes the kit may include more of the assembly than expected, requiring additional disassembly compared with replacing only individual electrodes/gaskets.