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The RTG-70XL will support up to 2 major hot water functions in a warm climate, but is not recommended for installation in climates where freezing is possible.
One main remote control (UMC-117) comes with each unit. Up to three remote controls (one main control and two bath remote controls) can be installed together.
*For residential applications. Commercial warranty is 5 year, 5 year, 1 year
**The RTG-70XL series of Rheem brand tankless water heaters are equivalent to the Paloma/WaiWela Brand PH2-20ROFL series tankless water heaters.**
**Outdoor models should not be installed in climates where freezing is likely**
Gas Line Sizing Table