The Lennox 27A27 Electric Heat Kit is a supplemental heating assembly designed to provide electric heat for compatible Lennox air handlers and heat pump systems. It uses resistance heating elements to convert electrical energy into heat, supplying additional warmth when outdoor temperatures reduce heat pump capacity or when backup heat is required. Designed for installation in compati... https://www.partshnc.com/lennox-27a27-9kw-electric-heat-kit-ecb29-9cb-8p-208-230v