The furnace will ignite the burners for several seconds and then immediately shut down because the control board cannot verify the presence of a flame via the SEN1114

failing sequencers that keep elements energized too long

facilitates rapid installation in tight air handler cabinets

The internal copper windings are insulated to withstand high thermal loads

maintaining optimal refrigerant flow throughout the liquid line

Johnson Controls A19ABB-2 Temperature Control Els PW 17895 The furnace will ignite theThe Johnson Controls A19ABB 2 is a heavy duty mechanical temperature control engineered specifically for high range applications such as crop drying and industrial heating. Built with a single pole single throw (SPST) switch that is configured to open on high temperature rise, this controller ensures reliable circuit interruption when setpoints are reached. It operates across a wide voltage range from 24 to 277Vac, making it a versatile choice for