1. Water Heaters New/Used Products
  2. sku: 7544775997407632
  3. RHEEM GN75-125

RHEEM GN75-125 Natural Gas Water Heater Nox 203526061870 000-BTU

Gn75-125 Rheem Natural Gas Commercial Water Heater 75 Gal 125 000 Btu Low Nox

( Brand: Rheem ), ( Manufacturer Part Number: GN75-125 ), ( Depth: 40.700 ), ( Unit Type: Gal ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 74.500 ), ( Features: Commercial Gas Water Heater, Fuel Type Natural Gas, Low Nox Yes, First Hour Rating 174 Gal, Gas Inlet Size 3/4 In, Maximum Heating Capacity 125, 000 Btu/ft/sq Ft/hr/ Degrees F, Overall Height 65.5 In, Tank Diameter 26.25 In, Included Valves Drain, Temperature And Pressure Relief, Tank Capacity 75 Gal, Hot Outlet Size 1 1/2 In, Maximum Recovery Flow Rate 242 Gph 40 Degrees F, Market Commercial, Vent Type Standard, Features Full Port/full Flow Brass Drain Valve, Led Diagnostic System ), ( Battery Included: No ), ( Weight: 529.0000 ), ( Type: Water Heaters Gas Water Heaters ), ( Length: 33.300 ), ( Country Of Origin: Us ), ( UPC: 203526061870 )

Review RHEEM Natural Gas Commercial Water Heater Gal 125 Btu Low Nox

The Rheem GN75-125 Natural Gas Water Heater is a high-performance and energy-efficient solution for your home's hot water needs. With a capacity of 75 gallons and an input rating of 125,000 BTUs, this water heater is ideal for larger households or applications that require a significant amount of hot water.

This model features a durable and corrosion-resistant glass-lined tank made of heavy-duty steel. The tank is insulated with a high-density, closed-cell, CFC-free foam insulation to help maintain an efficient temperature and minimize standby heat loss. The heat exchanger is made of commercial-grade copper and stainless steel, ensuring optimal heat transfer and longevity.

The Rheem GN75-125 Natural Gas Water Heater is equipped with a high-performance, electronically controlled gas valve that provides precise temperature control and consistent water temperature. The unit also includes a user-friendly, easy-to-read digital temperature display and a self-diagnostic system that can help identify and troubleshoot any potential issues.

Additionally, this water heater comes with a number of safety features, including a high-limit temperature control that automatically shuts off the unit if the water temperature exceeds safe levels, a draft diverter to ensure proper combustion, and an automatic gas valve that helps prevent temperature and pressure buildup.

The Rheem GN75-125 Natural Gas Water Heater is also designed for easy installation and maintenance. It comes with a factory-installed temperature and pressure relief valve, as well as a pre-piped draft diverter to simplify the installation process. The unit also features a removable front access panel that provides easy access to the burner compartment and other internal components, making routine maintenance and repairs a breeze.

Overall, the Rheem GN75-125 Natural Gas Water Heater is a reliable, high-capacity, and energy-efficient option for homes and businesses that require a consistent and abundant supply of hot water. With its durable construction, advanced features, and user-friendly design, this water heater is sure to meet your needs and exceed your expectations.

The Rheem GN75-125 natural gas water heater is a 75-gallon model with a first hour rating of 125 gallons. Here are some pros and cons to help you make an informed decision about purchasing this water heater.

Pros:

1. Large Capacity: With a 75-gallon tank, this water heater can supply hot water to multiple households or larger families. It's ideal for homes with high hot water usage.

2. High First Hour Rating: A first hour rating of 125 gallons means that this water heater can deliver 125 gallons of hot water within the first hour of usage. This makes it a good choice for homes with heavy hot water demands.

3. Energy Efficient: The Rheem GN75-125 water heater features a high-efficiency rating of 0.61 uniform energy factor (UEF). This means that it can save energy and reduce your utility bills.

4. Durable: Rheem water heaters are known for their durability and reliability. This model comes with a 10-year limited warranty on the tank and a 5-year limited warranty on parts.

5. Easy Installation: This water heater is designed for easy installation. It comes with a factory-installed draft diverter and a factory-installed power vent kit, which can save you time and money during installation.

Cons:

1. Large Size: With a 75-gallon tank and a height of over 6 feet, this water heater requires a significant amount of space. Make sure you have enough room in your utility area before making a purchase.

2. Higher Upfront Cost: Due to its large capacity and high first hour rating, this water heater has a higher upfront cost compared to smaller models.

3. Natural Gas Requirement: This water heater runs on natural gas, which may not be available in all areas or may require additional installation costs.

4. Venting Requirements: Proper venting is essential for the safe and efficient operation of a natural gas water heater. Make sure you have the necessary venting setup in place before installation.

Conclusion:

The Rheem GN75-125 natural gas water heater is a good choice for households with high hot water demands and the necessary space and venting setup for a large water heater. Its large capacity, high first hour rating, energy efficiency, and durability make it a reliable and cost-effective long-term investment. However, its larger size and higher upfront cost may be a drawback for some homeowners. Ultimately, the decision to purchase this water heater depends on your specific hot water needs and budget.

Recommendation:

If you have a large household or high hot water usage, and you have the necessary space and venting setup for a 75-gallon water heater, the Rheem GN75-125 natural gas water heater is a reliable and cost-effective option for meeting your hot water needs. However, if you have limited space or a smaller hot water demand, you may want to consider a smaller capacity water heater with a lower first hour rating and a lower upfront cost.

Details:

Buyer will get exactly whats in the picture - Nothing else. We choose the carrier on free shipping items -UPS/USPS,etc. See photos for cosmetic conditions. My have some blemishes/scratches/minor dents.

Manuals and original packaging might be missing. Packaging might be rough/damaged.

part #: gn75125 prices

  • $2999.00-$7742.99

specifications wateheat:

  • brand: Rheem
  • mpn: Gn75-125
  • depth: 40.700
  • unit type: Gal
  • manufacturer warranty: 1 Year
  • item height: 74.500
  • features: Commercial Gas Water Heater, Fuel Type Natural Gas, Low Nox Yes, First Hour Rating 174 Gal, Gas Inlet Size 3/4 In, Maximum Heating Capacity 125, 000 Btu/ft/sq Ft/hr/ Degrees F, Overall Height 65.5 In, Tank Diameter 26.25 In, Included Valves Drain, Temperature And Pressure Relief, Tank Capacity 75 Gal, Hot Outlet Size 1 1/2 In, Maximum Recovery Flow Rate 242 Gph 40 Degrees F, Market Commercial, Vent Type Standard, Features Full Port/full Flow Brass Drain Valve, Led Diagnostic System
  • battery included: No
  • weight: 529.0000
  • type: Water Heaters Gas Water Heaters
  • length: 33.300
  • country of origin: Us
  • upc: 203526061870

general wateheat:

  • condition: New
  • Heating, Cooling Air > Water Heaters > Standard Water Heaters

offer wateheat:

  • quantity: 1
  • started: March 21, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

returns wateheat:

  • policy: No Returns

seller wateheat:

  • rating: 99.9%
  • city: Irving, Texas
  • # reviews: 4405

shipping wateheat:

  • type: Fixed
  • cost: $0.00
  • service: Flat Rate Freight
  • class: Freight

payments wateheat:

  • credit card: Visa
  • other
  • wallet: Google-pay
unit type: gal, manufacturer warranty: 1 year, item height: 74.500, features: commercial gas water heater, fuel type natural gas, low nox yes, first hour rating 174 gal, gas inlet size 3/4 in, maximum heating capacity 125, 000 btu/ft/sq ft/hr/ degrees f, overall height 65.5 in, tank diameter 26.25 in, included valves drain, temperature and pressure relief, tank capacity 75 gal, hot outlet size 1 1/2 in, maximum recovery flow rate 242 gph 40 degrees f, market commercial, vent type standard, features full port/full flow brass drain valve, led diagnostic system, battery included: no, type: water heaters gas water heaters, length: 33.300, country of origin: us,
category: home & garden > heating, cooling air > water heaters > standard water heaters, weight: 529.0000, depth: 40.700, sku: 7544775997407632,

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