RH Performance Platinum 8.4 GPM Natural Gas Tankless Water Heater – High Efficiency

The Rheem Performance Platinum 8.4 GPM Tankless Natural Gas Water Heater delivers continuous hot water for the entire home, even when multiple fixtures are running simultaneously. With a super high-efficiency condensing design and 0.93 UEF rating, this unit provides powerful performance while reducing energy consumption.

Designed for advanced convenience, it features Hot Start Programming to minimize cold water bursts and a Water Savings Setting that can help conserve up to 1,100 gallons of water annually. The unit is also EcoNet enabled, allowing smart home integration with mobile alerts, maintenance reminders, and diagnostic notifications.

Built for flexible installation, the heater supports indoor or outdoor use and uses 2-inch PVC, CPVC, or polypropylene venting with compatibility for 1/2-inch gas lines, making upgrades and retrofits easier.

Key Features

• 8.4 GPM Tankless Natural Gas Water Heater

• Super High Efficiency – 0.93 UEF

• Condensing Stainless Steel Heat Exchanger

• Continuous Whole-Home Hot Water

• Hot Start Technology for Faster Delivery

• EcoNet Smart Home Compatibility

• Water Savings Setting

• Gas Input: 11,000–157,000 BTU/h

• Temperature Range: 85°F–140°F

• Warranty: 15-Year Heat Exchanger

A powerful high-efficiency tankless water heater designed for reliable whole-home hot water performance.