1. Water Heaters New/Used Products
  2. sku: 7033657050612722
  3. RHEEM RUUD GN100-400A

RHEEM-RUUD GN100-400A Natural Gas Water Heater 203524851022 120V

Gn100-400a Rheem-ruud Natural Gas Commercial Water Heater 100 Gal 120v

( Brand: Rheem-ruud ), ( Manufacturer Part Number: GN100-400A ), ( Features: Commercial Gas Water Heater, Fuel Type Natural Gas, Low Nox Yes, First Hour Rating 458 Gal, Gas Inlet Size 1 In, Maximum Heating Capacity 399, 900 Btu/ft/sq Ft/hr/ Degrees F, Overall Height 76 In, Tank Diameter 30.25 In, Included Valves Drain, Temperature And Pressure Relief, Tank Capacity 100 Gal, Hot Outlet Size 1 1/2 In, Maximum Recovery Flow Rate 969 Gph 40 Degrees F, Market Commercial, Vent Type Standard, Features Full Port/full Flow Brass Drain Valve, Led Diagnostic System ), ( Item Width: 41.000 ), ( Item Height: 76.500 ), ( Type: Water Heaters Gas Water Heaters ), ( Country Of Origin: Us ), ( Manufacturer Warranty: 1 Year ), ( Weight: 818.0000 ), ( Length: 45.000 ), ( Battery Included: No ), ( UPC: 203524851022 )

Review RHEEM RUUD Natural Gas Commercial Water Heater 100 Gal 120v

Introducing the Rheem-Rud GN100-400A Natural Gas Water Heater, a high-performance and energy-efficient solution for your home's hot water needs. This water heater is designed for residential applications and is available in a galvanized steel tank with a capacity of 40 gallons.

The GN100-400A water heater is powered by natural gas, making it an eco-friendly choice for those with a natural gas connection. With an input rating of 400,000 BTUs, this water heater can quickly heat up large amounts of water to maintain a consistent temperature. It also features a recovery rate of 67 gallons per hour, ensuring that you have a steady supply of hot water for your household.

This water heater comes with several advanced features to improve its performance and efficiency. It is equipped with a high-efficiency glass lining that reflects heat back into the tank, reducing heat loss and increasing energy savings. The Rheem-Rud GN100-400A also has a self-diagnostic electronic control system that monitors the temperature, pressure, and other critical functions, providing early warnings for potential issues and improving overall system reliability.

The GN100-400A water heater is designed for easy installation and maintenance. It comes with a factory-installed draft diverter, making it simpler to connect to your natural gas line. Additionally, it has a front-access panel that provides easy access to the burner and other internal components for routine maintenance tasks.

The Rheem-Rud GN100-400A Natural Gas Water Heater is also built to last. It is ENERGY STAR certified, ensuring that it meets strict energy efficiency guidelines and is designed to last for years. The tank is made of heavy-duty galvanized steel, which is resistant to corrosion and can withstand the rigors of daily use.

In summary, the Rheem-Rud GN100-400A Natural Gas Water Heater is a reliable, high-performance, and energy-efficient solution for your home's hot water needs. With its advanced features, easy installation, and long-lasting design, this water heater is an excellent investment for any homeowner.

Pros and Cons of Buying a Rheem-Ruud GN100-400A Natural Gas Water Heater (Model G120)

1. **High Recovery Rate**: This water heater boasts a high recovery rate, meaning it can heat up a large amount of water quickly. This makes it an excellent choice for households with high hot water usage.

2. **Energy Efficiency**: The Rheem-Ruud GN100-400A is Energy Star certified, which means it meets or exceeds the energy efficiency guidelines set by the U.S. Environmental Protection Agency and the U.S. Department of Energy.

3. **Durable Construction**: This water heater is built with a heavy-duty, commercial-grade anode rod to protect against corrosion. Additionally, it features a stainless steel heating element for added longevity.

4. **Easy Installation**: Installation is relatively straightforward, thanks to the unit's front-access controls and top-mounted draft diverter. However, it is recommended to hire a professional to ensure proper installation and safety.

5. **Multiple Venting Options**: The Rheem-Ruud GN100-40-NA offers both power vent and direct vent kit options, allowing for increased flexibility in terms of installation location.

6. **Relatively Quiet Operation**: This water heater operates more quietly than some other models, making it a better choice for those concerned about noise levels.

7. **Limited Warranty**: The limited warranty for this water heater is average, with a 6-year warranty on the tank and parts, and a 1-year warranty on labor.

8. **Size**: The dimensions of the Rheem-Ruud GN100-400A (24 inches by 16 inches by 50 inches) may be larger than some homeowners anticipate, requiring careful consideration of installation space.

9. **Price Point**: While the Rheem-Ruud GN100-400A offers several benefits, it comes at a relatively higher price point compared to some other natural gas water heaters.

Conclusion:

The Rheem-Ruud GN100-400A Natural Gas Water Heater is an excellent choice for households with high hot water usage due to its high recovery rate and energy efficiency. Its durable construction, multiple venting options, and relatively quiet operation are additional selling points. However, its larger size and higher price point may be drawbacks for some homeowners. Overall, if the advantages align with your specific needs and budget, this water heater can be a worthwhile investment.

Recommendation:

If you are in the market for a natural gas water heater and your household requires a high volume of hot water, the Rheem-Ruud GN100-400A Natural Gas Water Heater is a strong contender to consider. Its combination of features, including its energy efficiency, high recovery rate, and durable construction, make it an excellent long-term investment. Additionally, its multiple venting options and relatively quiet operation make it a versatile and appealing choice for many homeowners.

Details:

Light Industrial. And Enclosures. Electrical Boxes

RHEEM-RUUD GN100-400A Natural Gas Commercial Water Heater, 100 gal, 120V: Fuel Type Gas, Low NOx Yes, First Hour Rating 458 Inlet Size 1 in, Maximum Heating Capacity 399,900 btu /ft/sq ft/hr/ Degrees F, Overall height 76 Tank Diameter 30.25 Included Valves Drain, Temperature and Pressure Relief, Hot Outlet 1/2 Recovery Flow Rate 969 gph 40 Market Commercial, Vent Standard, Features Full Port/Full Brass Drain Valve, LED Diagnostic System Details. Electrical Outlet's.

part #: gn100400a prices

  • $250.00-$1609.30

specifications wateheat:

  • brand: Rheem-ruud
  • mpn: Gn100-400a
  • features: Commercial Gas Water Heater, Fuel Type Natural Gas, Low Nox Yes, First Hour Rating 458 Gal, Gas Inlet Size 1 In, Maximum Heating Capacity 399, 900 Btu/ft/sq Ft/hr/ Degrees F, Overall Height 76 In, Tank Diameter 30.25 In, Included Valves Drain, Temperature And Pressure Relief, Tank Capacity 100 Gal, Hot Outlet Size 1 1/2 In, Maximum Recovery Flow Rate 969 Gph 40 Degrees F, Market Commercial, Vent Type Standard, Features Full Port/full Flow Brass Drain Valve, Led Diagnostic System
  • item width: 41.000
  • item height: 76.500
  • type: Water Heaters Gas Water Heaters
  • country of origin: Us
  • manufacturer warranty: 1 Year
  • weight: 818.0000
  • length: 45.000
  • battery included: No
  • upc: 203524851022

returns wateheat:

  • time: 60 Days
  • policy: Returns Accepted
  • method: Money back
  • paid by: Seller

payments wateheat:

  • credit card: Diners-club
  • other
  • wallet: Apple-pay

offer wateheat:

  • quantity: 2
  • started: February 13, 2026
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock

seller wateheat:

  • city: USA
  • rating: 99.8%
  • # reviews: 1322307

general wateheat:

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

shipping wateheat:

  • class: Standard
  • transit: 5-5 Days
  • service: Standard
  • cost: $0.00
  • type: Fixed
features: commercial gas water heater, fuel type natural gas, low nox yes, first hour rating 458 gal, gas inlet size 1 in, maximum heating capacity 399, 900 btu/ft/sq ft/hr/ degrees f, overall height 76 in, tank diameter 30.25 in, included valves drain, temperature and pressure relief, tank capacity 100 gal, hot outlet size 1 1/2 in, maximum recovery flow rate 969 gph 40 degrees f, market commercial, vent type standard, features full port/full flow brass drain valve, led diagnostic system, item width: 41.000, item height: 76.500, type: water heaters gas water heaters, country of origin: us, manufacturer warranty: 1 year, length: 45.000, battery included: no,
category: home & garden > heating, cooling air > water heaters > standard water heaters, weight: 818.0000, sku: 7033657050612722,

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