HPC Fire Linear Interlink Fire Pit Insert FPPK25X8-L-FLEX-LP-STLinear Interlink HPC Fire Pit Insert FPPK25X8 L FLEX LP ST Product Details This is our mid range fire pit insert utilizing safety pilot flame control simply push the ignition button and valve control knob to start flame adjustment is done with the knob. This battery operated system is a good solution for flame sensing necessity without AC power requirements. This product comes with a small tank How It Works Start Up: This is done by simultaneously