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Residential Products
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HomeProductsResidentialWater HeatersProfessional Classic Series: Heavy Duty Ultra Low NOx

Professional Classic Series: Heavy Duty Ultra Low NOx

MODEL PROG75-75U RH EC1
  • 6-Year limited tank and parts warranty*
  • With ProtectionPlus®, the 6-year limited tank warranty becomes 10-year


*See Warranty Certificate for complete information

  • 75 and 98 gallon models
  • Cord-free design
  • Certified for applications up to 10,000 feet above sea level
  • Side water connections enable use in space heating applications
Select Capacity
75
Gallons
98
Gallons

SKU PROG75-75U RH EC1
Model Professional Classic Heavy Duty Ultra Low NOx
Tank Capacity 75
Fuel Natural Gas
UEF
0.59
LowNox Yes

The new and improved line of Rheem Ultra Low NOx water heaters meets the industry's highest environmental standards while providing more safety features and better reliability than ever. With a broad range of warranty options, you'll enjoy years of worry-free hot water from Rheem.

Performance
  • Recovery Capacity: 72.8 gallons per hour*
  • FHR: 135 gallons for 75-gallon model and 150 gallons for 98-gallon model

Guardian System
  • Exclusive fuel shut-off device
  • Maintenance free – no filter to clean
  • Protective control system that disables the heater in the presence of flammable vapor accumulation

Integrated Burner Safety System
  • Bi-metal temperature sensor maintains safe burner operation

High Altitude Compliant
  • All models are certified for applications up to 10,000 feet above sea level

Plus…
  • Integrated self diagnostic system control for easy installation and service
  • Eco-friendly burner, ultra low NOx design meets 14 ng/J NOx requirements
  • Premium grade anode rod provides long-lasting tank protection
  • Enhanced-flow brass drain valve
  • Temperature and pressure relief valve included
  • Low lead compliant
  • Cord-free design
  • Side water connections for space heating applications
  • Standard replacement parts

Warranty
  • 6-Year limited tank and parts warranty**
  • With ProtectionPlus®, the 6-year limited tank warranty becomes 10-year

*Recovery Capacity is based upon a 90° F water temperature rise and calculated per ANSI Z21.10.3 standards
**See Warranty Certificate for complete information

  • 6-Year limited tank and parts warranty*
  • With ProtectionPlus®, the 6-year limited tank warranty becomes 10-year


*See Warranty Certificate for complete information

More Residential Rheem Products

Find additional documentation by viewing these related products.

Natural Gas
Propane Gas
Professional Prestige® Maximus Heavy Duty with LeakSense
Capacity 75-75
  • .88 UEF reduces operating cost
  • Highest Hot Water Delivery (FHR) of 198 gallons in MaxMode
  • Easy front access to connections and components
  • LCD Display with built-in water leak sensor and system health
Propane Gas
Natural Gas
Professional Classic Plus® Maximus
Capacity 40-50
  • Up to .90 UEF reduces operating cost
  • Recovery: Up to 64 GPH at a 90° F rise, depending on model
  • Up to 95G first hour rating depending on model
  • Built-in Condensate Neutralizer
Natural Gas
Professional Classic Series Ultra Low NOx Skinny Models
Capacity 28-46
  • .58 - .64 UEF
  • Longer life
  • SCAQMD Rule 1121 compliant
  • 29, 39, 40, and 50 gallon capacities
Propane Gas
Natural Gas
Performance Platinum Maximus With LeakSense
Capacity 40-50
  • Up to .90 UEF reduces operating cost
  • Highest Hot Water Delivery (FHR) of 192 gallons in MaxMode
  • Easy front access to connections and components
  • LCD Display with built-in water leak sensor and system health