Sofame UHE (Ultra High Efficiency) Percomax High Efficiency Water Heater for Space Heating

Ultra high efficiency water heater
Composed of a Percomax Direct-contact water heater and a water vapor pump
Operates at high efficiencies (94%) even when used for space heating requirements, where return water temperatures are as high as 150 degrees Fahrenheit.
Hot water is produced at temperatures as high as 190 degrees Fahrenheit
Available in capacities up to 50 million BTU/hr