Direct Vent Tankless Hot Water Heater

Rheem rtgh 6 4 gpm at 60 f rise 0 93 uef gas tankless water heater direct vent model.

Direct vent tankless hot water heater.

Power vent and direct vent. Rtgh 95dvln 2 energystar condensing water heater. There are concentric and dual. Ultra low nox emissions scaqmd rule 1146 2 compliant.

Direct vent tankless water heaters require no extra power the exhaust gas is drawn out vertically through separate vent duct. Noritz nrc71dvng indoor condensing direct vent tankless water heater 7 1 gpm natural gas 4 6 out of 5 stars 9 1 050 00 1 050 00 1 60 oz. Direct vent this type of vent draws air in from the outside and then vents the exhaust out as well. In fact tankless water heaters save up to 16 square feet of space.

Thus the using costs and venting costs are quite low. This configuration allows tankless units to fit in smaller spaces. 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.

For most direct vent systems two pipes are used. There are two types of venting available for this type of 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. But many manufacturers now adopt concentric vents only.