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

Designed for residential air conditioning and heat pump applications

maintaining optimal refrigerant flow throughout the liquid line

making it a reliable elastomeric coupling flange for motors

failing sequencers that keep elements energized too long

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