
WBN051 Comparison
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![]() | $146.49 | Condition is New, Lochinvar 100157609 2 Sidewall Vent Kit (WBN051-WBN106) Replacement KIT30044, FREE SHIPPING | ![]() |
![]() | $2244.00 | Condition is New, New! LOCHINVAR WBN051 51,000 BTU Output Knight High Efficiency Boiler Wall Hung, shipping cost = $250.00 | 99.6% |
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![]() | $149.99 | Condition is Open box, lochinvar wbn051 flue temperature differential, FREE SHIPPING | ![]() |

The Lochinvar WBN051 Knight Boiler is a high-efficiency wall-mounted boiler that delivers reliable and consistent heating performance for residential applications. This boiler is designed to provide superior comfort with its compact size, making it an excellent choice for homes with limited space.
The WBN051 Knight Boiler boasts an impressive 95% AFUE rating, which means that 95% of the fuel used is converted into heat for your home. This high efficiency translates into significant energy savings and lower utility bills over time.
Measuring just 28 inches wide by 28 inches high by 12 inches deep, the Lochinvar WBN051 Knight Boiler is a space-saving solution for homes. It is also designed to be easy to install, with a front-access burner and a modulating/condensing design that allows for precise temperature control.
This boiler features a stainless steel heat exchanger, which is highly durable and resistant to corrosion. It also comes with a built-in Power-Direct Venting system, which allows for easy and flexible venting options, including direct vent, power vent, and sealed combustion applications.
The WBN051 Knight Boiler is equipped with a number of advanced features to ensure optimal performance and reliability. These include a modulating/condensing burner, a full-featured control system, and a user-friendly interface that allows for easy adjustments to temperature settings.
Additionally, this boiler comes with Lochinvar's exclusive Intelligent Sequencer, which allows for multiple boilers to be installed and operated in parallel for even greater heating capacity. This makes it an ideal solution for larger homes or those with multiple zones.
The Lochinvar WBN051 Knight Boiler is also covered by a comprehensive limited warranty, which provides peace of mind and assurance against manufacturing defects for a period of five years on the heat exchanger and one year on parts and labor.
In summary, the Lochinvar WBN051 Knight Boiler is a high-efficiency, compact, and reliable wall-mounted boiler that delivers superior comfort and energy savings for residential applications. With its advanced features, easy installation, and durable construction, it is an excellent choice for homeowners looking for a high-performing and cost-effective heating solution.
Lochinvar WBN051 51kNBT High Efficiency Boiler: A Detailed Analysis
The Lochinvar WBN051 51kNBT is a high-efficiency wall-mounted boiler designed for both residential and light commercial applications. This boiler is known for its energy efficiency, compact size, and advanced features. In this analysis, we will discuss the pros and cons of investing in this boiler model.
Pros:1. High Efficiency: The Lochinvar WBN051 51kNBT boasts an AFUE (Annual Fuel Utilization Efficiency) rating of up to 95%, making it an excellent choice for those looking to save on energy costs.
2. Compact Size: With its wall-mounted design and small footprint, this boiler is an ideal solution for homes and light commercial spaces with limited floor space.
3. Advanced Features: This boiler is equipped with a variety of features such as a modulating burner, a stainless steel heat exchanger, and an electronic ignition system, ensuring reliable and efficient performance.
4. Easy Installation: The Lochinvar WBN051 51kNBT is designed for easy installation, with flexible venting options and a user-friendly control panel.
5. Durable Construction: The boiler's stainless steel heat exchanger and high-quality components ensure long-lasting performance and minimal maintenance requirements.
Cons:1. Cost: The Lochinvar WBN051 51kNBT is a premium boiler model with a higher price point compared to some other options in the market.
2. Limited Capacity: This boiler is suitable for smaller homes or light commercial applications, and may not be able to meet the heating demands of larger buildings.
3. Complexity: While the Lochinvar WBN051 51kNBT offers advanced features, these can also make the installation and maintenance process more complex for those without professional experience.
Conclusion:The Lochinvar WBN051 51kNBT is a high-performing, energy-efficient boiler that offers a compact size, advanced features, and reliable performance. Its high efficiency rating, durable construction, and easy installation make it an excellent choice for those looking to invest in a premium boiler model. However, its higher cost and limited capacity may make it less suitable for those with smaller budgets or larger heating demands. Ultimately, the decision to purchase the Lochinvar WBN051 51kNBT should be based on your specific heating needs, budget, and personal preferences.
Recommendation:If you are in the market for a high-efficiency, wall-mounted boiler and have the budget for it, the Lochinvar WBN051 51kNBT is an excellent choice. Its advanced features, durable construction, and compact size make it a reliable and efficient solution for smaller homes or light commercial applications. However, if you have larger heating demands or a smaller budget, you may want to consider other boiler options with lower price points or greater capacity. Ultimately, it's important to carefully evaluate your heating needs and consult with a professional installer to determine the best boiler for your specific application.
Details:
Brand new in factory box.
specifications centrafurn:
- brand: Lochinvar
- mpn: Wbn051
- type: Central Furnace
- heating system: Boiler
- mounting location: Wall
offer centrafurn:
- options: ship-to-home
- sold #: 17
- in stock #: 3
- best offers: true
- availability: in stock
- started: may 27, 2025
- price: $2244.00
- item condition:
- New
- Open box
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
returns centrafurn:
- policy: no returns
seller centrafurn:
- rating: 100.0%
- # reviews: 115
- city: richmond, virginia
shipping centrafurn:
- service: flat rate freight
- class: freight
- type: fixed
payments centrafurn:
- credit card: discover
- wallet: paypal
- other
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