Commercial-oil-burner-range/ Single stage 17 – 390 kWSingle stage 17 – 390 kWModel – BTG 3.6 P | BTG 6 P | BTG 11 POutput –16.3 – 42 | 31 – 56 | 49 – 99 Downloads Brochure Model – Sparks 35 (BTS 35)Output – 178 – 391 Downloads Brochure