1. Water Heaters New/Used Products
  2. sku: 7463733755062722
  3. RINNAI CHS398100HCXIN

RINNAI CHS398100HCXIN Natural Gas Hybrid Water Heating Ultra 766156017919 398K Nox

Chs398100hcxin Rinnai 398k Btu Natural Gas H-series Hybrid Water Heating System Ultra Low Nox

( Brand: Rinnai ), ( Manufacturer Part Number: CHS398100HCXIN ), ( Power Source: Corded Electric ), ( California Prop 65 Warning: Yes ), ( Type: Hybrid Water Heater ), ( Voltage: 120 V ), ( Item Height: 68.00 Inch ), ( Btu/h Heating Rating: 398, 000 Btus ), ( Features: Dual Engine Redundancy, Ultra-high Efficiency, Space-saving Design, Commercial Grade Durability ), ( Mounting Location: Indoor ), ( Country Of Origin: United States ), ( Item Width: 41.00 Inch ), ( UPC: 766156017919 )

Review RINNAI 398k Btu Natural Gas H series Hybrid Water Heating System Ultra Low Nox

The Rinnai CHS398100HxCN is a high-performance, ultra-low NOx Natural Gas H-Series Hybrid Water Heater, designed to provide endless hot water while minimizing environmental impact. This advanced water heating system combines the efficiency of tankless technology with the convenience of a storage tank, making it an ideal choice for large households or commercial applications.

The CHS398100HxCN is equipped with Rinnai's condensing technology, which extracts more heat from the natural gas fuel source and transfers it to the water, resulting in higher energy efficiency and lower operational costs. The hybrid design features a 50-gallon storage tank, which provides a sufficient hot water reserve for busy households or businesses, ensuring a consistent supply of hot water even during peak demand periods.

One of the most notable features of this water heater is its Ultra Low NOx emission rating. This technology significantly reduces the amount of nitrogen oxides (NOx) produced during the combustion process, making it an environmentally friendly option for those seeking to minimize their carbon footprint. In fact, the CHS398100HxCN meets or exceeds the most stringent NOx emission standards set by various regulatory bodies, ensuring compliance with local and national regulations.

The Rinnai CHS398100HxCN also boasts several advanced safety features, such as a high-limit temperature control, a thermal expansion relief valve, and a fluid bypass system. These features work together to ensure safe and reliable operation, providing peace of mind for homeowners and business owners alike.

Additionally, the CHS398100HxCN is designed for easy installation and maintenance. Its compact, space-saving design allows for flexible installation options, and its electronic ignition system eliminates the need for a pilot light, reducing the risk of standing pilot light fires. Furthermore, the unit's modulating gas valve and intelligent electronic control system make it simple for professionals to service and maintain, ensuring optimal performance and longevity.

In summary, the Rinnai CHS398100HxCN is a state-of-the-art, Ultra Low NOx Natural Gas H-Series Hybrid Water Heater that delivers endless hot water with exceptional energy efficiency and minimal environmental impact. Its hybrid design, advanced safety features, and ease of installation and maintenance make it a top choice for large households and commercial applications.

Rinnai CHS398100HxCN 398k Natural Gas H-Series Hybrid Water Heater: A Comprehensive Analysis

Introduction:

The Rinnai CHS398100HxCN is a high-efficiency, natural gas-powered water heater that utilizes Rinnai's advanced hybrid technology. This model offers several advantages over traditional water heating systems. In this analysis, we will discuss the key pros and cons of the Rinnai CHS398100HxCN, followed by an Recommendation.

Pros:

1. Energy Efficiency: With an energy factor (EF) of 0.82, the Rinnai CHS398100HxCN is highly energy-efficient. Its hybrid technology allows it to switch between using a conventional gas burner and a condensing, high-efficiency heat exchanger, depending on the demand for hot water.

2. Continuous Hot Water Supply: The tankless design of the Rinnai CHS398100HxCN ensures a continuous supply of hot water. This makes it an excellent choice for households with high hot water demand.

3. Compact Size: With dimensions of 20.1 x 13.8 x 7.7 inches, this water heater is relatively compact, making it easier to install in tight spaces.

4. Reduced Energy Bills: Due to its high energy efficiency, the Rinnai CHS398100HxCN can help reduce energy bills, leading to significant savings over time.

5. Low Standby Loss: Tankless water heaters, like the Rinnai CHS398100HxCN, have minimal standby loss since they heat water only when it is needed.

Cons:

1. Initial Cost: The Rinnai CHS398100HxCN is a more expensive option compared to traditional storage-tank water heaters. However, the long-term savings in energy bills can offset the initial investment.

2. Professional Installation: Due to its complexity and the need for proper venting, professional installation is required for the Rinnai CHS398100HxCN.

3. Limited Capacity: While the Rinnai CHS398100HxCN can provide a continuous supply of hot water, its maximum flow rate is 9.4 gallons per minute. This may not be sufficient for larger households with simultaneous high hot water demands.

Ending Conclusion:

The Rinnai CHS398100HxCN 398k Natural Gas H-Series Hybrid Water Heater is a highly efficient, compact, and advanced tankless water heating solution. Its key advantages include energy efficiency, continuous hot water supply, and reduced energy bills. However, its higher initial cost and the need for professional installation are potential drawbacks. For households with a high demand for hot water and the budget to invest in a more advanced and efficient water heating system, the Rinnai CHS398100HxCN is an excellent choice.

Recommendation:

If you are looking for a high-efficiency, continuous hot water supply solution and have the budget for it, the Rinnai CHS398100HxCN is a solid investment. Its advanced hybrid technology and compact size make it a highly recommended option for households with high hot water demands and limited space. However, for smaller households or those with lower hot water demands, a traditional storage-tank water heater may be a more cost-effective solution. Always consult with a professional plumber to determine the best water heating solution for your unique needs and circumstances.

Details:

Uninstalled: Items must not have been installed or used. Packaging Integrity: Ensure there are no writings or labels on the original manufacturer packaging. Product Summary.: Rinnai 398K btu Natural Gas H-Series Hybrid Water Heating System Ultra Low NOx CHS398100HCXiN: The Demand Duo CHS-HCX2 provides a high-performance, high-efficiency water heating solution designed to maximize optima and reduce total cost of ownership. With a 119-gallon storage tank and Rinnai advanced hybrid technology, this system offers significantly longer service life than traditional high-efficiency tanks while saving valuable commercial floor space.

Original Packaging: Return the item in its original manufacturer packaging, including all manuals, accessories, and packaging materials. Installation Warning, This water heater must be installed by a licensed and qualified technician. In many regions, a licensed contractor is required to install this unit. Product Features:: Dual Engine Redundancy: Vertically stacked engines ensure consistent hot water delivery even during maintenance or peak demand.

Always ensure that the technician adheres to safety protocols, including proper venting, gas line connections, and electrical work. Ultra-High Efficiency: Features a 0.98 Uniform Energy Factor UEF to drastically reduce operational fuel costs. No Damages: Products must be free from any damages, scratches, or defects.

Please avoid using USPS. This 398,000 btu Natural Gas system features vertically stacked thankless engines that deliver built-in redundancy, eliminating no hot water events can impact business profitability.

part #: chs398100hcxin prices

  • $10500.00-$18000.00

specifications wateheat:

  • brand: Rinnai
  • mpn: Chs398100hcxin
  • power source: Corded Electric
  • california prop 65 warning: Yes
  • type: Hybrid Water Heater
  • voltage: 120 V
  • item height: 68.00 Inch
  • btu/h heating rating: 398, 000 Btus
  • features: Dual Engine Redundancy, Ultra-high Efficiency, Space-saving Design, Commercial Grade Durability
  • mounting location: Indoor
  • country of origin: United States
  • item width: 41.00 Inch
  • upc: 766156017919

general wateheat:

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

offer wateheat:

  • options: Ship-to-home
  • quantity: 2
  • availability: In Stock
  • sold: 0
  • best offers: True
  • started: March 17, 2026

shipping wateheat:

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

returns wateheat:

  • paid by: Buyer
  • method: Money back
  • time: 30 Days
  • policy: Returns Accepted

payments wateheat:

  • credit card: Visa
  • other
  • wallet: Google-pay

seller wateheat:

  • city: Multiple Warehouse Locations
  • rating: 99.6%
  • # reviews: 8986
power source: corded electric, california prop 65 warning: yes, type: hybrid water heater, voltage: 120 v, item height: 68.00 inch, btu/h heating rating: 398, 000 btus, features: dual engine redundancy, ultra-high efficiency, space-saving design, commercial grade durability, mounting location: indoor, country of origin: united states, item width: 41.00 inch,
category: home & garden > heating, cooling air > water heaters > tankless water heaters, sku: 7463733755062722,

Rinnai CHS398100HCXIN Is Similar To:

wateheat logo
3 offers $10500.00–$18000.00 USD
  • Offer #1: $18000.00 price + $0.00 shipping estimate = $18000.00* total. Rinnai 398K BTU Natural Gas H-Series Hybrid Water Heating System Vertical Ultra Low NOx CHS398100HCXViN.FREE SHIPPING
  • Offer #2: $17625.00 price + $0.00 shipping estimate = $17625.00* total.FREE SHIPPING
  • Offer #3: $10500.00 price + $80.31 shipping estimate = $10580.31* total. 398,000 BTU / 96% Efficiency. Tankless Heater ( ).+$80.31 shipping

Copyright © wateheat.com