description Noritz NR83DVC Overview
The Noritz NR83DVC is an indoor, direct-vent tankless water heater designed to supply residential hot water on demand. It burns gas only when hot water is requested, avoiding the continuously heated reservoir used by conventional tank models. Its concentric venting arrangement carries exhaust outdoors while drawing combustion air through the same vent assembly. Proper gas sizing, vent installation, and water-flow conditions are required for safe operation and rated performance.
help Noritz NR83DVC FAQ
How much hot water can the Noritz NR83DVC deliver?
Noritz rates the NR83DVC for flows from 0.5 to 8.3 gallons per minute, with about 6.7 GPM available at a 45°F temperature rise. Actual shower capacity falls when incoming water is colder or several fixtures run together.
Can the NR83DVC be installed outdoors?
No, the NR83DVC is the indoor, direct-vent version and uses concentric intake and exhaust venting. Noritz sells the related NR83OD for outdoor installation.
Does the NR83DVC work with natural gas and propane?
The model was offered in fuel-specific natural-gas and liquid-propane configurations rather than as a field-switchable universal appliance. Its maximum input is 180,000 BTU per hour, so the gas line must be sized for the selected version.
Can two NR83DVC heaters be connected for a larger house?
Yes, Noritz documents linking two identical units with its optional Quick Connect Cord. This arrangement increases available hot-water capacity but requires professional gas, water, vent, and control installation.
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