Dimensions: L 212" x W 93.5" x H 114" Burner..............Two stage Fuel Specs: Diesel Input Capacity 1,792,000 Btu/h Output Capacity 1,523,000 Btu/h Consumption (max) 12.8 US gph Natural gas Input Capacity 1,690,000 Btu/h Output Capacity 1,352,000 Btu/h Consumption (max) 1,577 cu ft/h Propane Input Capacity 1,715,000 Btu/h Output Capacity 1,372,000 Btu/h Consumption (max) 18.7 US gph Water heater Water jacket/fire tube type Fluid temperature range.................130degF to 180degF Controls and monitoring: Pump and temperature controls, full gauge panel showing circulation fluid temperatures and pressures, 7-light system operation feature for easy troubleshooting Water heater circulation pump 3 hp, 110 US gpm @ 30 psi Electrical..........230 V, single phase, 60 Hz, 2 x 30 A (L14-30)