This Peterson Real Fyre Pilot Kit is designed for use with Peterson Real Fyre Natural Gas Vented gas log sets. This pilot kit can be added to a natural gas match lit log set to add basic on/off control and non-standing pilot. It can also be used in place of a manual safety pilot kit. To be used with standard G4 and G45 burners, see-thru G45 burners, or PB burners. NOTE - before purchasing a pilot kit to add to your existing log set you must ensure that you have adequate space in your fireplace, per the manufacturers guidelines.