Direct Vent Tankless Water Heater

A direct vent system typically results in lower water heating costs because the exhaust gases are vented vertically with no extra power required as is the case with the power vent water heater.
Direct vent tankless water heater. Direct vent units pull in air from outside the home or building and have two vents one for intake and one for exhaust. External mode combined with a return line can keep the water in the pipes warm resulting in lower wait times for hot water. Noritz nrcp series heaters offer the latest cutting edge technology in tankless water heaters. The nrcp features an internal pump that can be used in two different modes.
Takagi t h3s 5 7 gpm at 60 f rise 0 95 uef gas tankless water heater direct vent model. T h3s dv ng energystar condensing water heater. Power vent water heater. Direct vent this type of vent draws air in from the outside and then vents the exhaust out as well.
See the use and care manual for important information regarding the venting installation and materials for your tankless water heater. In fact tankless water heaters save up to 16 square feet of space. Direct vent units pull in air from outside the house so they have two vents for intake and exhaust. Tankless water heaters can be vented in two ways.
This configuration allows tankless units to fit in smaller spaces. Tankless water heaters are vented in two ways. Tankless water heaters are ventilated in two ways. Low nox emissions 40 ng j or 55 ppm.
There are two types of venting available for this type of tankless water heater. Rheem rtg 84dvp low nox direct vent tankless water heater liquid propane energy star 8 4 gpm 4 1 out of 5 stars 19 875 00 875 00 1 01 oz. Rheem rtgh 95dvln indoor direct vent tankless water heater. Direct vent units attract outside air from the house or building while power vent units solely need an exhaust vent and should be installed in a larger area for receiving sufficient air amount for combustion.
Direct vent and power vent. There are concentric and dual. Direct vent water heater when using a direct vent water heater water is heated by the heat of fuel combustion. All indoor tankless gas water heaters must be vented vertically or horizontally to the outdoors using factory approved venting material no other venting material is permitted.
Power vent units use indoor air for combustion and simply vent the exhaust to the outside. It is a large flow natural gas tankless water heater reaching up to 9 5 gallons per minutes in using.