Rheem 180,000 BTU Indoor Direct Vent Natural Gas Tankless Water Heater Model RTG-84DVLN-1

Rheem 180,000 BTU Indoor Direct Vent Natural Gas Tankless Water Heater Model RTG-84DVLN-1

Features

• .81 - .82 UEF with all-copper heat-exchanger

• 1/2" Gas line compatibility up to 24 ft.1

• Exclusive! Maintenance NoticeSetting – Alerts homeowner, after 500hours of use, to call for service (optional)

• Connects to Metal Fab. Inc., 3"/5"concentric venting without an adapter

• High-altitude capability – up to8,400 ft. elevation above sea level2

• Digital remote control shows temperature settings and service codes

• Requires 120V power supply

• Low Flow Activation: A Minimum flow rate of .26 GPM and an activation flow rate of .40 GPM ensure hot water in low-demand situations.

• Exclusive! Hot Start Programming –Minimizes cold water bursts by staying in a ready-fire state for back-to-back hot water needs.

• For higher-demand applications, accessories available to link multiple units in a load-sharing system

• Low Emissions – Ultra low NOx burner meets SCAQMD rule 1146.2 requirements

• Exclusive! Water Saving Setting –upon activation, this setting can save up to 1,100 gallons water/year3 by reducing flow at the tap until a set temperature is achieved (optional)

• Exclusive! Guardian OFW™ overheat film wrap – prevents dangerous temperatures and provides the industry's best side-to-side clearance of 1/2 inch maximum water temperature is 140°F. For higher-temperature applications, upgrade kits are available

What Our Experts Think

• 180,000 BTU output delivers on-demand hot water efficiently.

• Direct vent design ensures safe indoor installation.

• Tankless system reduces energy waste compared to traditional water heaters.

• Compact design saves space and fits tight areas.

• Reliable Rheem performance ensures long-lasting operation.

Q&A

• Q: Is this suitable for large households?
  A: Yes, high BTU output supports multiple simultaneous uses.

• Q: Can it replace a traditional tank water heater?
  A: Yes, it provides continuous hot water on demand.

• Q: Is professional installation required?
  A: Yes, for proper venting, gas connections, and warranty compliance.

• Q: What type of fuel does it use?
  A: Natural gas only.

Maintenance Tips

• Flush the system annually to prevent mineral buildup.

• Inspect venting and gas connections regularly.

• Check and clean inlet water filter periodically.

• Schedule professional inspection every 1–2 years.

• Keep area around unit clear of obstructions.