
H3-1125 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $4550.00 | Condition is Used, Raypak RAYTHERM HYDRONIC BOILER, 514-824, shipping cost = $ | 100.0% |

The Raypak H3-1125 Raytherm Hydronic Boiler, model number 514-824, is a high-performance, efficient heating solution designed for residential and light commercial applications. This boiler is part of Raypak's H3 Series, which delivers reliable and consistent heating with its advanced features and robust construction.
The H3-1125 boiler comes with a 112,000 BTU input rating, making it suitable for medium-sized homes or spaces with significant heating demands. It utilizes Raytherm's advanced heat exchanger technology, which maximizes efficiency and minimizes energy waste. The boiler's efficiency rating is 82% AFUE (Annual Fuel Utilization Efficiency), ensuring that you get the most out of your fuel source.
This boiler features a cast iron sectional design, which offers excellent durability and longevity. The cast iron heat exchanger is also easily serviced, allowing for easy maintenance and repair. Additionally, it comes with a stainless steel chimney liner, which ensures a long-lasting and corrosion-resistant flue system.
The H3-1125 boiler is designed to operate with both natural gas and propane fuel sources, providing flexibility for various heating scenarios. It also includes a modulating/condensing burner, which allows for precise temperature control, ensuring a comfortable living environment. The boiler's compact size, with dimensions of 36 inches high by 28 inches wide by 36 inches deep, makes it an excellent choice for homes and spaces with limited installation space.
The H3-1125 boiler comes with several safety features, such as an automatic low water cutoff, a high temperature limit switch, and a pressure relief valve. These features ensure safe and reliable operation while minimizing the risk of potential issues.
In summary, the Raypak H3-1125 Raytherm Hydronic Boiler, model number 514-824, is a powerful, efficient, and reliable heating solution for residential and light commercial applications. Its advanced features, robust construction, and flexible fuel options make it a top choice for those seeking consistent and cost-effective heating.
The Raypak H3-1125 Raytherm hydronic boiler model 514-824 is a popular choice for residential heating applications due to its high efficiency and reliability. However, like any other heating system, it comes with its pros and cons. Let's take a closer look.
Pros:1. Efficiency: With an AFUE (Annual Fuel Utilization Efficiency) rating of up to 95%, this boiler is highly efficient, which means that it converts a significant portion of the fuel it consumes into heat.
2. Compact Size: The H3-1125 model has a small footprint, making it ideal for installation in smaller spaces.
3. Low Emissions: This boiler produces low levels of nitrogen oxides (NOx), which is good news for the environment and for those with respiratory concerns.
4. Easy Installation: The boiler comes with a pre-assembled manifold, which simplifies the installation process.
5. Durable: Raypak boilers are known for their durability and longevity.
Cons:1. Cost: The initial cost of purchasing and installing a Raypak H3-1125 boiler can be higher than some other options on the market.
2. Complexity: While the boiler itself is not particularly complex, the installation process can be more involved than with some other types of heating systems.
3. Maintenance: Regular maintenance is essential to keep the boiler running efficiently and to ensure its longevity. This can require some time and effort on the part of the homeowner or the hiring of a professional.
In conclusion, the Raypak H3-1125 Raytherm hydronic boiler 514-824 is a high-performance heating solution that offers excellent efficiency, low emissions, and durability. However, it comes with a higher initial cost and requires more complex installation and maintenance compared to some other options.
If you are looking for a highly efficient heating solution for your home and have the budget for it, this boiler could be an excellent investment. Its compact size and low emissions make it a good choice for smaller homes or those located in areas with strict emission regulations. However, if you are on a tight budget or prefer a simpler heating system, there may be other options that better suit your needs. Ultimately, the decision comes down to your specific heating requirements, budget, and preferences.
Details:
Integral fins have ten times the heat transfer surface of plain tubes. Jacket has polity powder coat finish. Interlocking refractory panels, sealed corners, reduces radiation loss. Heat shields are corrosion-resistant steel.
Floating return header, immunizes heat exchange from thermal shock. Raypak family of raytherm hydronic boilers, 514-824, feature 82% efficiency, floating return headers, and corrosion resistant steel. Features: cast-iron headers with copper finned tube . Fittings are brush galvanized against rust.
Indoor/outdoor certified. Door easily removed for inspection and service. Totally enclosed for protection. Ab 1953 compliant, single bank, straight through design deliver slowest pressure drop.
Model's H3-1125. 82% efficiency cat i'venting. Stainless steel burners, maintains precise combustion at all firing rates, burns quietly, won't clog or corrode. Tube sheet and o ring construction, eliminates repair maintenance problems associated with rolling tubes directly into a casting.
specifications maxohvac:
- brand: Raypak
- mpn: H3-1125
- type: Boilers
- california prop 65 warning: 121-b
payments maxohvac:
- credit card: diners-club
- other
- money order
- wallet: google-pay
seller maxohvac:
- rating: 100.0%
- city: oswego, illinois
- # reviews: 292
returns maxohvac:
- policy: no returns
offer maxohvac:
- options: seller-arranged-local-pickup
- in stock #: 1
- best offers: true
- availability: in stock
- started: february 23, 2026
- price: $4550.00
- item condition: Used
- sold #: 9
shipping maxohvac:
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
