HPC Fire 24" Torpedo Linear Trough Electronic Ignition HI-LO Fire Pit InsertHPC Fire 24" Torpedo Linear Trough Electronic Ignition HI LO Fire Pit Insert How does the electronic ignition system work on the HPC Fire 24" Fire Pit Insert? The HPC 24" Linear Trough Electronic Ignition HI LO Fire Pit Insert is the perfect solution for adding a stylish and functional fire feature to your outdoor space. Designed for both natural gas and liquid propane, it offers flexibility in fuel options. With a powerful 120 VAC and 24 VAC power