Your Crossover Water Heating Options


A fully condensing wall unit that incorporates the best of both worlds in one unit with its tank and tankless components. It allows you to enjoy the benefits of a high efficiency unit without surrendering your need for endless hot water and an abundance of water pressure! The RGH-199 has a BTU range up to 199,000 and a thermal efficiency of 96.5%.

RGH-75, RGH-76, RGH-100

A fully condensing floor unit that integrates the benefits of both storage and instantaneous concepts without sacrificing performance at up to 95% efficiency. Available in three models RGH-75F with a max BTU of 75,000, RGH-76F with a max BTU of 76,000 or RGH-100F with a max BTU of 100,000..

How the Crossover Technology Works

The Crossover (RGH) series combines the flow capacity of the tank with the continuous flow of the tankless and has none of either's drawbacks! It features dual activation by flow or thermostat sensing so that the unit is guaranteed to deliver hot water even with low flow fixtures. It also includes integrated small storage within heat exchangers for easy recirculation and fast hot water delivery without pressure loss.

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