Lennox 43L96 (LB-81453CCK) electric heat element is an OEM replacement component designed to deliver dependable auxiliary heating performance in compatible Lennox HVAC systems. Rated at 4.5 kW and 240 volts, this electric heat element provides efficient and consistent heat output to support proper system operation during colder conditions or when additional heating capacity is required.

Manufactured to Lennox factory specifications, this heat element ensures proper fit, electrical compatibility, and long-term reliability. It features durable construction with a 15.5 AWG heating wire, 0.054-inch wire diameter, and a resistance rating of 12.8 ohms, supporting stable and safe operation. With an overall length of 17.21 inches and height of 13.125 inches, it is engineered for straightforward installation in approved Lennox air handlers and electric heat applications.

The Lennox 43L96 electric heat element is ideal for service replacements, repairs, or preventive maintenance where OEM-quality performance is required. Using genuine Lennox replacement parts helps maintain system efficiency, protect internal components, and ensure reliable heating operation in residential and light commercial HVAC systems.