HG-3004-3230 The stationary HG Series is available in either natural gas or propane making it an ideal choice for applications that need a steady fuel source. Offering maximum cleaning power, this hot water machine is perfect for wash bays. Pump: Factory preset unloader · Thermal relief valve · Adjustable high pressure detergent injector Motor: Open drip-proof motor with thermal overload protection Frame: Powder coated steel side panels and frame Components: Natural gas or LP gas-fired (vapor only) natural draft with aspirating-type burner, 10-inch stack · 24-volt control system · 1/2-inch schedule 80-coil heat exchanger · Electronic ignition with intermittent pilot Miscellaneous: Maximum outlet temperature is 200°F (250°F/121°C outlet temperature with steam option) Unit Includes: Quick connect nozzles - 0°, 15°, 25° and 40° · 50-foot x 3/8-inch steel wire-braided high pressure hose with quick connects · Professional-grade insulated trigger gun with safety lock-off · Adjustable pressure insulated dual lance