
512-200-077 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $36.95 | Condition is New, 512-200-077 Weil Mclain Main Burner OEM 512-200-077, shipping cost = $7.96 | 99.6% |
![]() | $45.43 | Top Pick! Condition is New, Weil McLain 512-200-077 Main Burner Regular Stainless Steel for Boilers, FREE SHIPPING | ![]() |
![]() | $50.33 | Condition is New, WEIL 512-200-077 BURNER - TUBULAR STEEL -MCLAIN FOR HE-II/CG -MCLAIN 123123, FREE SHIPPING | 98.6% |
![]() | $44.82 | Condition is New, Weil-McLain 512-200-077 Burner Tube, shipping cost = $8.85 | 99.4% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $28.00 | Condition is Used, WEIL MCLAIN 512-200-077 BURNER 15", FREE SHIPPING | 99.4% |
![]() | $19.95 | Condition is Used, WEIL MCLAIN 512-200-077 BURNER 15" (NO PILOT BRACKET), shipping cost = $16.85 | 99.8% |

The Weil-McLain 512-200-077 NAS Gas Burner is a high-performance, versatile heating solution designed for both residential and light commercial applications. This burner is part of Weil-McLain's Natural Gas (NG) Series, which is known for its efficiency, reliability, and ease of installation.
This 512-200-077 model is a 2-input, 0.77 million Btu/hour input rating burner, making it suitable for medium-sized heating systems. It features a robust, cast iron design that ensures durability and longevity. The burner's compact size allows for easy integration into various boiler and heating system configurations.
One of the standout features of this burner is its advanced combustion system, which includes a modulating gas valve and a fully adjustable, multi-position burner control. This allows for precise temperature control, optimal efficiency, and reduced fuel consumption. In addition, the burner's sealed combustion system helps maintain consistent temperatures by minimizing drafts and reducing the introduction of outside air.
The Weil-McLain 512-200-077 NAS Gas Burner is also equipped with several safety features to ensure the utmost protection for both the user and the system. These include a low water cut-off, which automatically shuts off the burner when water levels in the boiler are too low, and a flame rollout safety switch, which detects a flame rollout and shuts down the burner to prevent damage.
Installation of the burner is made simple with the inclusion of several pre-wired connections, as well as a factory-installed power transformer. This significantly reduces the amount of wiring required and simplifies the installation process.
In summary, the Weil-McLain 512-200-077 NAS Gas Burner is an exceptional choice for those seeking a high-performance, efficient, and reliable heating solution. Its advanced combustion system, robust design, and safety features make it a top contender in the heating industry.
The Weil-McLain 512-200-077 burner is a popular choice for residential heating applications due to its efficiency and durability. However, like any other heating system component, it has its pros and cons.
Pros:1. High Efficiency: This burner has an AFUE (Annual Fuel Utilization Efficiency) rating of up to 87%, making it an energy-efficient option for homeowners.
2. Versatility: It can be used with various fuel types, including natural gas, propane, and oil.
3. Durability: Weil-McLain burners are known for their robust design, which ensures long-lasting performance.
4. Easy Installation: The 512-200-077 burner is designed for easy installation, which can save time and money on labor costs.
5. Reliable: Weil-McLain has a reputation for producing reliable heating equipment, and this burner is no exception.
Cons:1. Cost: Compared to some other burners in the market, the Weil-McLain 512-200-077 burner can be more expensive.
2. Complexity: While the burner is designed for easy installation, the installation process can be more complex than some other burners due to its features and capabilities.
3. Maintenance: Like any other heating equipment, the burner requires regular maintenance to ensure optimal performance and longevity.
4. Noise Level: Some homeowners have reported that the burner can be quite noisy during operation, which may be a concern for those who are sensitive to noise.
In conclusion, the Weil-McLain 512-200-077 burner offers high efficiency, versatility, durability, easy installation, and reliability. However, it comes with a higher cost, a more complex installation process, the need for regular maintenance, and a relatively high noise level.
If you prioritize energy efficiency, versatility, and reliability, and are willing to invest in a higher-end burner, then the Weil-McLain 512-200-077 burner may be the right choice for you. However, if you are on a tight budget or are concerned about noise levels and complexity, you may want to consider other options. Ultimately, it's essential to weigh the pros and cons carefully and consult with a heating professional to determine which burner best meets your needs and preferences.
Details:
There are 9 burner tubes in this purchase. These are the typical Weil Mclain burner tubes taken from a working/functional boiler.
specifications maxohvac:
- brand: Weil Mclain
- mpn: 512-200-077
- type: Appliance Part
- modelsfits: All Heating, Cooling And Hvac Parts Are Model Specific. We Can He
shipping maxohvac:
- type: calculated
- class: standard
- carrier: usps
- service: usps ground advantage
- transit: 3-10 days
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- # reviews: 478
- city: saint paul, minnesota
- rating: 100.0%
payments maxohvac:
- credit card: mastercard
- wallet: google-pay
- other
returns maxohvac:
- policy: no returns
offer maxohvac:
- sold #: 19
- availability: in stock
- started: august 26, 2025
- prices: $19.95–$50.33
- item condition:
- New
- Used
- in stock #: 5
- options: ship-to-home
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