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Direct Fired Furnace Burners

Wall Hugger Invisiflame Low Nox Flat Flame Gas Burner WHI

Flat flame furnace burner with Ultra Low NOx emissions of 20 ppm or less.

WHI Wall Hugger Invisiflame® burner is designed for applications requiring even heat distribution with no flame impingement and low NOx emissions. The flame hugs the wall, even at high turndown ratios, allowing the burner to be placed close to the load. Features & Benefits: • Capacity range: 2000 to 6000 kBTU/h (580 to 1760 kW) • Ultra low NOx emissions of 20 ppm or less • Low CO emissions even on cold start • 8:1 on-ratio turndown • Flat flame burner with flat flame profile throughout firing range with even heat distribution and no flame impingement • Low excess air operation (5%) for maximum fuel efficiencyCold or preheated air up to 900ºF (480ºC) • Direct spark or pilot ignition • Stable operation at ratio in cold furnace • Adjustable flange for ease of installation • Single air and fuel connections • Available in round or square tile versions