All burners spark when plugged in. It is missing the smallest of the burner caps, Viking part number PA080091 A-burner cap. These are replaceable and the price is reflected due to this. Sealed burners with brass flame ports and porcelainized, cast-iron burner caps. Left front – 16,000 BTU high/2,000 BTU low. Left rear – 12,000 BTU high/1,700 BTU low. Right rear – 8,000 BTU high/1,200 BTU low. Right front – 6,000 BTU high/950 BTU low. Automatic electronic spark ignition/re-ignition; burners light at any position on the knob and re-light if extinguished, even at lowest setting. Easy Operation and Cleanup. One-piece, extremely durable steel top. Separate spill collection areas; each area holds up to 1-1/2 quarts of liquid spillover. Permanently sealed burners – spills cannot enter burner box. Durable, stainless steel knobs with child-proof, push-to-turn safety feature. Customer-removable knobs, grates, and burners/caps. Grate design provides continuous surface for easy movement of pots. Overall/burner box dimensions designed to fit the majority of similarly sized cooktop cutouts. 16,000 BTU Nat. /13,500 BTU LP (4.1 kW/4.0 kW). 12,000 BTU Nat. /11,500 BTU LP (3.5 kW/2.8 kW). 8,000 BTU Nat. /LP (2.1 kW). 6,000 BTU Nat. /LP (1.8 kW). Uses Standard Residential 1/2 (1.3 cm) I. 120 VAC/60 Hz; 4 Ft. (121.9 cm), 3-Wire Cord with Grounded 3-Prong Plug Attached to Product. 30 3/4 (78.1 cm). Overall Height from Bottom. 4 3/8 (13.7 cm). Overall Depth from Rear. 21 (53.3 cm). 29 1/8″ (74.0 cm) to 29 7/8″ (75.9 cm). 3 1/8 (7.9 cm). 19 3/4″ (50.2 cm) to 20 1/8″ (51.1cm).