Hargrove 30" See-Thru Vented Natural Gas Burner With Cool Mount Manual Safety Pilot glass At some point

At some point

8-hour extended burning - The unit can operate in slow combustion mode for 8 hours without adding more fuel or other external intervention

or by opening the door and looking for a screw on the bottom left hand side that has a plate that pulls out

Gas Log Set Buying Guide Gas log sets bring the enjoyment of “having a fire” at home without the effort and cleanup associated with a natural wood fire

It provides a 10-120V AC power to single phase fans and 0-10V DC control signal to control 3-phase fans via a variable  requency drive

Hargrove 30" See-Thru Vented Natural Gas Burner With Cool Mount Manual Safety Pilot glass At some pointHargrove burner systems are the heart of the vented gas log set, providing the warmth and natural flame patterns that recreate the ambiance and beauty of a real wood fire, without the smoke, ashes, and mess. What's Included Hargrove 30" See Thru Vented Natural Gas Burner With Cool Mount Manual Safety Pilot Custom grate Sand or vermiculite Embers Volcanic cinder Fittings and non whistling connector. Features Available in 18" 21", 24", 30", 36", and 42