Reznor R8HE is a powerful and versatile heater designed to provide efficient and reliable warmth for a variety of indoor and outdoor applications. Its advanced features include multi-stage firing for optimized fuel efficiency, a fully modulating gas valve for precise temperature control, and a durable stainless-steel heat exchanger for long-lasting performance. With its ability to operate on natural or propane gas, the R8HE offers flexible fuel options to meet your specific needs.