Lennox 12S87 Heat Strip 323080-701 How do I size the

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Lennox 12S87 Heat Strip 323080-701 How do I size theThe Lennox 12S87 (Model ECB25 15CB 2P) is a high performance 15kW electric heat strip designed for field installation within compatible Lennox air handlers. Engineered for 208 230V single phase applications at 60Hz, this unit utilizes helix wound nichrome heating elements and delivers approximately 51,000 BTUs of supplemental or primary heating. As a professional HVAC contractor, youll appreciate the integrated circuit breakers (60 Amp and 30 Amp),