Infinite Energy, the latest addition to the RBI family of high efficiency condensing hot water supply products operates with combustion efficiencies as high as 97.3% and can be vented through standard schedule 40 PVC piping. Its fully modulating Low NOx commercial-grade stainless steel burner configuration insures optional efficiencies and superior performance throughout the firing rates. The Infinite Energy's stainless steel heat exchanger assembly incorporates an integral condensate neutralizer with float switch protection for safe and efficient operation. The direct-vent, sealed combustion Infinite Energy uses a small footprint and zero clearance to combustibles making it the perfect choice for application flexibility.