The York S1-8HK16500806 7.68kW Electric Heater Kit with Breaker is an auxiliary electric heating component designed for compatible York air handlers and indoor HVAC systems. It uses electric resistance heating elements to generate supplemental heat when the system requires additional heating capacity. The integrated circuit breaker provides electrical protection and helps support safe... https://www.partshnc.com/s1-8hk16500806-york-7-68kw-electric-heater-kit-w-breaker-240v-1ph