The HPC Flame Sensing S-Fire Burner System Insert - 42x14 is a fully assembled insert. Includes 16 gauge ss burner pan, 36" x 8" HBSB, SS Burner; 16 gauge ss FPPK-HC, flame sensing control box. Complete drop-in fire pit insert utilizes a standing pilot with thermocouple to safely control gas flow, manual spark igniter (AA battery) and safety pilot valve. These certified inserts incorporate a whistle-free flex line between the gas valve and burner pan offering insert flexibility and simpler installation.
Flex line configuration
Flame sensing - flame blows out, gas will turn off