Rheem PERFORMANCE PLUS Ultra Low NOx Gas Water Heaters

Rheem PERFORMANCE PLUS® Ultra Low NOx gas water heaters offer advanced features for efficient and reliable hot water. These units come with a 9-year warranty and are SCAQMD rule 1121 compliant, ensuring ultra-low 10ng/J NOx emissions. Available in 40 and 50-gallon capacities with 38,000 BTU/h.

Key Features & Benefits

• Efficiency: .58 - .63 UEF, providing more hot water at a low operating cost.
• Performance: FHR: 86 gallons for 50-gallon model and 71 gallons for 40-gallon model. Recovery: 38 GPH at a 90° F rise.
• Diagnostic Valve: Self-powered diagnostic gas control valve for improved monitoring and service.
• Maintenance Free Burner System: Features an exclusive fuel shut-off device, no filter to clean, and disables the heater in the presence of flammable vapor accumulation.
• Low Emissions: Utilizes Ultra Low NOx radiant burner design, stainless steel construction, SCAQMD Rule 1121 compliant, and meets 10 ng/J NOx requirements.
• Self-Cleaning: Actively fights sediment and mineral build-up, which helps reduce fuel costs.
• Easy to Light: No matches required for ignition.
• Longer Life: Equipped with a premium grade anode rod for long-lasting tank protection.
• High Altitude Compliant: All models are certified to 10,000 ft. above sea level.
• Plus...: Includes a temperature and pressure relief valve and is low lead compliant.
• Warranty: Comes with a 9-year limited warranty for tank and parts, plus a 2-year full in-home labor warranty. (See written warranty for complete details.)

Units meet or exceed ANSI requirements and have been tested according to D.O.E. procedures. Units also meet or exceed the energy efficiency requirements of NAECA, ASHRAE standard 90, ICC Code and all state energy efficiency performance criteria.

These units are designed for Natural Gas operation and are AHRI Certified, contributing to LEED points.

Specifications Chart

Uniform Energy Factor and rated gallon capacity based on Department of Energy (DOE) requirements.

Water Heater Diagram Description

This diagram illustrates the key components and dimensions of the Rheem PERFORMANCE PLUS Ultra Low NOx gas water heater:

• Overall Structure: A cylindrical tank with various connections and internal components.
• Top Connections:
  • H: Hot Water Connection (top left).
  • H: Cold Water Connection (top right), which also connects to the anode rod.
  • Flue: Located at the very top center, for exhaust.
  • Anode Rod: Extends down from the top, near the cold water connection, for tank protection.
• Side Connections & Features:
  • 3/4" N.P.T. Relief Valve Opening: Located on the upper right side (G).
  • F: Water Connection Size, indicated on the top.
  • E: Vent Size, indicated on the top.
• Dimensions (referencing table columns):
  • A: Height to top of unit.
  • B: Tank Height.
  • C: Tank Diameter.
  • D: Height to Gas Connection.
• Bottom Components: An internal burner system is depicted at the bottom, with a 1/2" connection point.