The Rheem RTG-74DVN Direct Vent Natural Gas Tankless Water Heater’s burner modulates from 19,000 – 199.000 Btu to closely match your domestic hot water production needs. Since the tankless water heaters only produce the hot water you need when you need it there are no standby heating losses to contend with.
The Rheem RTG-74DVN Direct Vent Natural Gas Tankless Water Heater is a compact design that measures 25 3/3” high X 14 7/8” wide X 11 1/8” deep and weighs about 55 lbs. The RTG-74DVN meets the stringent SCAQMD rule 1121 requirements for Low NOx emissions. The electronic controls are intelligent controls, which increase efficiency while monitoring safety. The controls also feature self-diagnostics and will display maintenance codes along with temperature settings on the digital display of the remote control panel. There are two remote control panels available for the RTG-74DVN tankless unit, the USC1-117, which is provided with the unit can be set up to 120-degrees F, and the USC-117, which is optional and can be set up to 140-degrees F. The RTG-74DVN has an oxygen depletion sensor, and a film wrap overheat limiter for extra safety. The RTG-74DVN uses category III stainless steel vents for combustion air and exhaust with a built in electric blower, a RTG20002B vent adapter is required for installation. The unit is provided with a power cord and has freeze protection to –30 degrees F. The RTG-74DVN can be linked with another unit using the EZ-Link cable to double the hot water production.
The RTG-74DVN hot water production varies depending on the incoming water temperatures and can produce 7.4 gallons per minute at a 45-degree F temperature rise, 6.7-gpm at 50 degrees F, 5.6-gpm at 60 degrees F, 4.8 at 70 degrees F, 4.2-gpm at 80 degrees F and 3.7-gpm at 90 degrees F. The RTG-74DVN has an energy factor of .82. When the Rheem RTG-74DVN Direct Vent Natural Gas Tankless Water Heater is installed above 3,280’ above sea level a high altitude chips are required that allow operation from 3,280’ – 6,560’ and 6,560’ – 9,840’ elevation.
Rheem RTG-74DVN Direct Vent Natural Gas Tankless Water Heater is provided with a 3-Year Limited Parts Warranty on the entire unit and a 10-Year Limited Warranty on the Heat Exchanger.