Aekops 21" Water Heater Thermopile - 750 mV Thermocouple Replacement for Reliance, Whirlpool, A.O. Smith, Kenmore, American Water Heater

Overview: Aekops 21" Water Heater Thermopile

The Aekops 21-inch thermopile is a durable replacement part designed to help gas-fired water heaters regain reliable hot water. This 750 mV thermocouple-compatible module aligns with common pilot assemblies and is suitable for many popular brands. While the listing highlights compatibility, note that exact fit can vary by model; even similar part numbers may differ slightly in size or shape.

When installed, you may experience a more dependable ignition sequence, a steadier flame, and a clearer indicator light. These are potential outcomes based on the part’s purpose and your unit’s condition. This description emphasizes possibilities rather than guarantees, and we recommend checking your model’s compatibility guide and proceeding with care.

Compatibility and Fit

• Widely used brands include Reliance, Whirlpool, A.O. Smith, Kenmore, State, and American Water Heater.
• Replaces old numbers such as 6911197, 9007872005, 100094024 and may align with related 1001123x series models.
• Specific note: this part does not fit Reliance C3 FAIR and C3 FVIR water heaters.

Installation and Practical Use

• The replacement process is described as a 15–30 minute swap with a straightforward sequence: shut off gas, disconnect from the gas valve, remove the burner assembly, swap thermocouples, reassemble, and test for leaks.
• Keep in mind the steps require basic hand tools and attention to safety; taking pictures during disassembly can help during reassembly.
• Real-world use cases include restoring heat where the ignition or heating function has failed due to a worn thermopile.

Practical notes: this thermopile is designed to work with a range of well-known water heater models, offering a cost-effective option for maintenance or repair. Always confirm fitment against your specific unit’s model number and pilot configuration before purchasing, and follow safety guidelines during replacement.