TPI Corporation 64337-024 3150W Flat Panel Emitter, 277V w.Mtg. Kit MR.CH-4, 01358302

TPI Electric Infrared Heating Elements.• Medium wavelength infrared • Color temp emitting approx. 1650°F • Dull orange glow • 78.5% radiant efficiency • Black quartz composite face • Non-glare & no glass materials • Wound resistance wire consists  of iron, chromium, & aluminum alloy • Refractory blanket insulation • High temp ceramic fiberboard • Aluminized steel enclosure frame • Electrical junction box • Slow heat-up/cool-down • 25,000 life expectancy • Operates on 50 / 60 Hertz.