The Hydramaster Boxxer 421 is the perfect truck mount carpet extractor. Combining a new vanguard briggs and Stratton 23 horsepower air cooled power plant and a state-of-the-art heat exchanger system in this single wand workhorse. Adjustable heat feature allows you to fine-tune your system from 160 degrees to 250 degrees, if water damage restoration is part of your operation, you'll find the standard equipment, automatic diverter control a valuable feature; heavy-duty automatic stainless steel diverter valve coupled to a thermostat actuator. Built with the finest quality parts and components, the Boxxer 421 is reliable and economical to operate.