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Designed for integration with a mixing tube
This is an OEM-specified 2-wire configuration
self-correcting safety mechanism once the unit cools to safe operating parameters
Designed for versatile power requirements
Lennox 19F31 Heat Kit 320788-703 Designed for integration with aThe Lennox 19F31 (ECB29 10 4Y) is a 10kW electric heat kit engineered specifically for technical integration with compatible Lennox air handlers and residential package units. Operating on a 460V 3 phase power supply, this auxiliary heating component is essential for heat pump systems requiring supplemental heat during defrost cycles or high load conditions. The heater assembly utilizes high grade nickel chromium heating elements for corrosion