Best Tankless Water Heater Igniter Replacements That Restore Quick Ignition
Finding a reliable igniter for a tankless water heater is essential to restore fast, reliable hot water. The selections below showcase ignitor coils and related ignition components compatible with popular brands like Rheem, Ruud, Richmond, and Rinnai. Each product is designed to fix ignition failures and error codes, and many offer easy installation and durable construction. Use this guide to compare options and identify the best match for your system.
| Product | Brand | Key Benefit | Compatible Brands | Notes |
|---|---|---|---|---|
| WISINY RTG20235C RTG20235BC | WISINY | Fixes Error Code 11; durable coil | Rheem, Richmond, Ruud, Rheem | Direct ignitor coil replacement part |
| YRDNHJ RTG20235C RTG20235BC | YRDNHJ | Exact replacement; 2-pack | Rheem, Richmond, Ruud | Restores ignition; 120V compatibility |
| RMSPO RTG20235C | RMSPO | Direct replacement; 120V | Rheem, Ruud, Richmond | Ignition transformer assembly |
| HPUY RTG20235C RTG20235BC | HPUY | Durable, easy installation | Richmond, Ruud, Rheem | Wide model compatibility |
| 104000012 Flame Rod Electrode Kit | IGIUA | Rinnai compatibility; precise fit | Rinnai | Flame rod/electrode kit |
Note: The above selections emphasize ignitor coils and related components frequently used to address ignition failures and error codes on popular tankless water heaters. When selecting a replacement, confirm model compatibility and voltage requirements before purchasing.
WISINY RTG20235C RTG20235BC Ignitor Coil Replacement
The WISINY RTG20235C ignitor coil is designed to fix error code 11 on Rheem and compatible Rheem/Richmond/Ruud tankless water heaters. It is described as a durable replacement part to extend product lifespan and restore reliable ignition when the burner won’t light. The kit notes compatibility with PLM-112 and emphasizes robust construction for long-term use.
Cawla Flame Rod Electrode Kit For Rinnai
The Flame Rod Electrode Kit from Cawla is tailored for Rinnai tankless units (R75, R94, RC80, RC98). It provides the electrode kit along with related components to address ignition reliability and common error codes, helping restore heat generation in supported models and ensuring consistent hot water delivery.
HAVANSIDY 104000192-K Flame Rod Kit for Rinnai
The 104000192-K flame rod electrode kit from HAVANSIDY is pitched as a perfect fit for Rinnai tankless water heaters (R75, R94, RC80, RC98). It claims compatibility with multiple models and emphasizes high-quality materials for durability and reliable ignition performance.
RTG20235C Ignitor Coil Replacement by RMSPO
The RMSPO RTG20235C ignitor coil is described as a direct replacement for part RTG20235C and supports most 120V Rheem, Ruud, and Richmond tankless heaters. It aims to fix ignition failures by restoring the high-voltage spark, with specifications aligned to OEM electrical standards to ensure proper function.
YRDNHJ RTG20235C Tankless Ignitor, 2-Pack
The YRDNHJ 2-pack offers direct replacement for RTG20235C/RTG20235BC and PLM-112, designed for Rheem, Richmond, and Ruud heaters. The listing emphasizes reliable ignition and compatibility across multiple models, serving residential, commercial, and industrial applications with extended hot water availability.
Buying Guide
- Model compatibility: Verify that the igniter coil or electrode kit matches your heater’s model and voltage (commonly 120V for many tankless units).
- Ignition issues addressed: Look for parts specifically described as fixing ignition failure, Error Code 11, or burner not lighting to ensure effective service.
- OEM vs aftermarket: OEM replacements generally guarantee exact fit, while reputable aftermarket parts can offer cost savings with similar performance.
- Installation ease: Choose parts that advertise straightforward installation and clear instructions, especially for in-field replacements.
- Durability and materials: Seek components made from robust materials designed to withstand heat and electrical stress for longer service life.
- Warranty considerations: Check whether the product includes a warranty or replacement policy in case of defects or incompatibility.
- Safety: Confirm that all parts comply with electrical and gas safety standards and that proper shut-off and ventilation practices are followed during replacement.
- Model diversity: If you own multiple brand models (Rheem, Ruud, Richmond, Rinnai), you might prefer parts marketed as widely compatible to simplify future replacements.