Lennox 19F21 Heat Element

The Lennox 19F21 Heat Element is the direct OEM replacement for ECB29-20CB-10P20KW electric heat kits, essential for maintaining auxiliary heating performance in Lennox air handlers. This 20kW electric heater operates as a two-stage 10+10kW configuration, ensuring precise thermal management during defrost cycles or high-demand heating scenarios. As a robust HVAC replacement part, it features high-grade nickel-chromium coils designed for rapid thermal transfer and exceptional resistance to oxidation. This Lennox electric heat kit is engineered for a seamless fit within the blower cabinet, utilizing the original mounting footprint to minimize installation time. Technical interoperability is a primary focus for this component, as the 19F21 serves as the validated substitute for legacy part numbers 13T92, 11L31, 11L3101, and 13T9201. Utilizing this OEM Lennox heater ensures the system remains within original manufacturer specifications for airflow resistance and high-limit safety cut-out parameters.

• Direct Compatibility: Engineered to provide a drop-in solution for 13T92 and 11L31 series units, eliminating the need for field modifications.
• High-Capacity Performance: Delivers 20kW of supplemental heat, rated for 208/240V single-phase applications, providing reliable BTU output in extreme cold.
• Integrated Safety Limits: Features factory-installed thermal limit switches to prevent overheating and ensure safe operation within the air handler.
• Simplified Wiring: Designed for standard plug-and-play integration with Lennox air handler wiring harnesses.

Is the 19F21 compatible with older CBX series air handlers?
Yes, this element is the designated replacement for several legacy ECB29 series kits often found in older CBX and CB29 units. Verify the specific cabinet size and circuit breaker requirements before installation.

Can I use this to replace a 13T9201 part?
The 19F21 is the official superseding part number for the 13T9201, designed to meet or exceed the original performance specifications.

Does this kit include the circuit breakers?
The ECB29-20CB configuration typically includes the necessary circuit breakers for overcurrent protection, matching the amperage requirements for a 20kW load.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.