Product Category: Gas Boilers

Details

NHB-150 Features

• Super condensing efficiency: The condensing technology of the dual stainless steel heat exchangers ensures maximum energy savings and reduced greenhouse gas emissions.
• Versatile venting options: The boiler supports SCH40, 2″ PVC venting up to 60′, providing flexibility in installation.
• High turndown ratio: The sophisticated gas flow control system allows for a turndown ratio of up to 15:1, reducing energy waste and preventing excessive boiler cycling.
• Integrated controls: The NHB integrated control offers industry-leading options and features. It includes adjustable heat capacity, a temp boost for outdoor reset control, an adjustable anti-cycle timer, and freeze protection.
• Extended venting capabilities: Enjoy the convenience of 2″ venting up to 65′ and 3″ venting up to 150′ (including schedule 40 PVC), allowing for versatile installation options.
• Certified excellence: The NHB-150 holds various certifications, ensuring its quality and compliance with industry standards.
• Find sales and support: Easily locate nearby installers, explore credits and rebates, and find sales representatives for personalized assistance.

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NHB-110 Features

• Super condensing efficiency for maximum energy savings
• Dual stainless steel heat exchangers for enhanced heat transfer
• SCH40, 2″ PVC venting up to 60′ for flexible installation
• TDR (Turndown Ratio) up to 11:1 for efficient operation in varying heating demands
• Integrated controls with adjustable heat capacity and temp boost for outdoor reset control
• Adjustable anti-cycle timer and freeze protection for added convenience and safety
• Suitable for both residential and commercial applications
• Certifications ensuring quality and performance standards are met
• Convenient “Where to buy” feature for easy purchasing
• Find nearby installers for hassle-free installation
• Additional models available for different heating needs

Details

NHB-80 Features

• Super condensing efficiency: The condensing technology of the dual stainless steel heat exchangers ensures maximum heat transfer and efficiency. This leads to significant energy savings and reduced greenhouse gas emissions.
• Versatile venting options: The NHB-80 supports SCH40, 2″ PVC venting up to 60′. It also offers the flexibility of 2″ venting up to 65′ and 3″ venting up to 150′ (including schedule 40 PVC), enabling easy installation and compatibility with different setups.
• High turndown ratio: The sophisticated gas flow control system allows for a high turndown ratio of up to 10:1. This means the boiler can modulate its output to match the heating demands accurately, reducing energy waste and preventing excessive boiler cycling.
• Integrated controls: The NHB-80 comes with integrated controls that offer industry-leading options and features. Users can adjust the heat capacity, utilize temperature boost for outdoor reset control, set an anti-cycle timer, and benefit from freeze protection. These controls provide enhanced convenience and customization options.
• Certifications: The NHB-80 has undergone rigorous testing and obtained relevant certifications, ensuring its compliance with industry standards and safety requirements. It is certified for both residential and commercial applications, making it a reliable choice for various heating needs.

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NHB-55 Features

• Super condensing efficiency saves energy and reduces greenhouse gases
• Dual stainless steel heat exchangers ensure optimal performance and durability
• SCH40, 2″ PVC venting system allows for flexible installation up to 60′
• A turndown ratio of up to 7:1 minimizes energy waste and excessive cycling
• Integrated controls provide industry-leading options and features
• Adjustable heat capacity for customized heating preferences
• Temp boost for outdoor reset control enhances efficiency
• Adjustable anti-cycle timer prevents unnecessary cycling
• The freeze protection feature safeguards the boiler in colder climates
• Eligible for credits and rebates, with potential savings of up to $600
• Versatile venting options: 2″ venting up to 65′; 3″ up to 150′ (including schedule 40 PVC)

Details

The SL 40-399G3 (TI) boiler is the perfect solution for light commercial applications, offering a wide range of exceptional features. With its touchscreen boiler controller, you can enjoy expressing setup, remote monitoring, and diagnostics, as well as easy USB programmability.

With a remarkable thermal efficiency rating of up to 96%, this boiler delivers significant energy savings. Moreover, its multi-boiler communication capability allows for expanded heating capacity without the need for additional controls. With the SL 40-399G3 (TI), you can experience efficient and reliable heating for your light commercial needs.

SL 40-399G3 TI Boiler Features

• Experience optimal energy utilization with the SL 40-399G3, boasting an impressive thermal efficiency of 96%.
• Optional SL 40-399 316T Titanium enhanced heat exchanger available, providing superior corrosion resistance and durability.
• Multi-boiler communication capability up to 9.5 million Btu/h (24 boilers) without additional controls, providing versatility and scalability.
• Turndown ratio of 240:1 with 24 x 399 boilers, offering a firing rate range from 40,000 Btu/h up to 9.5 million Btu/h in 1000 Btu/h increments, allowing precise heat output control.
• PVC/CPVC/PPs approved venting up to 400 feet, providing flexible installation options.
• Multiple zone pump control capability for up to 4 zones, eliminating the need for external pump controls and simplifying the system.
• Patented MFZ Technology, a moisture management system that protects and prolongs the lifespan of all components in the boiler, ensuring durability and reliability.
• DDC Control compatibility with 0-10 VDC or 4-20 mA signals, offering enhanced control options without requiring additional controls.
• DHW opt-out priority for multi-boiler systems, ensuring a reliable hot water supply.
• Reverse flow detection feature for added safety and protection against potential issues.
• Up to 10-year commercial heat exchanger warranty, offering peace of mind and confidence in the product’s quality.

With the SL 40-399G3 (TI) boiler, you can enjoy advanced features, exceptional efficiency, and reliable performance, making it an excellent choice for your light commercial heating needs.

Details

The SL 40-399G3 boiler is the ideal choice for light commercial purposes. It offers a range of exceptional features that make it a top-notch solution for your heating needs. With its touchscreen boiler controller, you can enjoy an express setup process, remote monitoring, and diagnostics, as well as easy USB programmability. With simplified load pairing and visible flame current, this boiler guarantees optimal efficiency and safety. Not to mention, it boasts an impressive 96% thermal efficiency rating, resulting in significant energy savings.

SL 40-399G3 Boiler Features

• Multi-boiler communication up to 9.5 million Btu/h (24 boilers) without additional controls, providing versatility and scalability.
• Wide turndown ratio of 240:1, offering a firing rate range from 40,000 Btu/h up to 9.5 million Btu/h in 1000 Btu/h increments, ensuring precise heat output.
• PVC/CPVC/PPs approved venting up to 400 feet, allowing flexible installation options.
• Multiple zone pump control capability for up to 4 zones, eliminating the need for external pump controls and simplifying the system.
• Patented MFZ Technology, a moisture management system that protects and extends the lifespan of all components in the boiler, ensuring durability and reliability.
• DDC Control compatibility with 0-10 VDC or 4-20 mA signals, providing enhanced control options without requiring additional controls.
• Optional SL 40-399 316Ti Titanium enhanced heat exchanger available, offering superior corrosion resistance and longevity.
• DHW opt-out priority for multi-boiler systems, ensuring a reliable hot water supply.
• Reverse flow detection feature for added safety and protection against potential issues.
• Up to 10-year commercial heat exchanger warranty, providing peace of mind and assurance of the product’s quality.

With the SL 40-399G3 boiler, you can enjoy advanced technology, exceptional efficiency, and reliable performance, making it the perfect choice for light commercial applications.

Details

The SL 26-260G3 is a highly reliable and efficient boiler designed specifically for light commercial purposes. Its advanced touchscreen boiler controller offers express setup, remote monitoring, and easy USB programmability, making it convenient to operate and manage.

With a high-efficiency rating of 95% AFUE, this boiler ensures significant energy savings. It features true native BACnet compatibility, providing seamless integration with building management systems. The intuitive alert system, simplified load pairing, and visible flame current add further convenience and ease of use. With PVC/CPVC/PPs approval, the venting capabilities extend up to 400 feet, offering installation flexibility.

SL 26-260G3 Boiler Features

• Touch Screen Boiler Controller: Enjoy the benefits of an advanced touch screen controller that allows for express setup, remote monitoring, and easy USB programmability.
• High Efficiency: Achieve an impressive efficiency rating of 95% AFUE, ensuring energy savings and cost-effectiveness for your light commercial application.
• Multi-Boiler Communication: Connect up to 24 boilers with a combined capacity of 9.5 million Btu/h (British Thermal Units per hour) without the need for additional controls. This enables efficient and synchronized operation.
• Turndown Ratio: With 24 x 399 boilers, experience a remarkable turndown ratio of 240:1, offering a wide firing rate range from 40,000 Btu/h up to 9.5 million Btu/h in 1000 Btu/h increments. This versatility allows for precise temperature control and optimized energy usage.
• Venting Options: The SL 26-260G3 is PVC/CPVC/PPs approved, enabling venting capabilities of up to 400 feet, providing flexibility in installation and system design.
• Multiple Zone Pump Control: Control up to 4 zones directly from the boiler, eliminating the need for external pump controls and simplifying the installation process.
• Patented MFZ Technology: Experience enhanced durability and longevity with the patented moisture management system that protects all components in the boiler, ensuring a longer lifespan.
• DDC Control: Benefit from 0-10 VDC or 4-20 mA control options without requiring additional controls, providing flexibility and compatibility with various systems.
• DHW Opt-Out Priority: For multi-boiler systems, the boiler offers DHW (Domestic Hot Water) opt-out priority, ensuring efficient distribution of heat to meet specific demands.
• Reverse Flow Detection: The SL 26-260G3 features reverse flow detection, ensuring safe and optimal operation.
• Commercial Heat Exchanger Warranty: Benefit from a robust up to 10-year commercial heat exchanger warranty, providing long-term protection and peace of mind for your light commercial application.

Details

Upgrade your residential heating system to the SL 30-199G3 boiler, a true powerhouse that combines exceptional performance and efficiency. Designed with the latest technology, this top-of-the-line boiler is equipped with an advanced touchscreen controller that takes convenience to a whole new level. With the express setup, remote monitoring, and easy USB programmability, managing your heating system has never been easier.

SL 30-199G3 Boiler Features

• Touch Screen Boiler Controller: Enjoy the convenience of an advanced touch screen controller that allows for express setup, remote monitoring, and easy USB programmability.
• High Efficiency: Achieve better efficiency with up to 96% AFUE, saving energy and reducing utility bills.
• Multiple Zone Pump Control: Control up to 4 zones directly from the boiler, eliminating the need for external pump controls and streamlining the installation process.
• Venting Options: The SL 30-199G3 is PVC/CPVC/PPs approved, allowing for venting up to 480ft. This flexibility enhances installation possibilities.
• Patented MFZ Technology: Experience enhanced durability and longevity with the patented moisture management system that protects all components in the boiler.
• Built-in Safety Features: The boiler comes with a built-in CSA/UL-approved LWCO (Low Water Cut-Off) and manual reset high limit for added safety and peace of mind.
• Easy Integration: Connect your IBC Indirect Water Tank directly to the boiler without the need for a primary loop, simplifying the overall system design.
• Turndown Ratio: The boiler offers a turndown ratio of up to 8:1, providing the power to heat your home efficiently in extreme weather conditions and reducing short cycling during milder weather.
• Outdoor Reset Control: Enjoy the advantages of the built-in outdoor reset control, which automatically adjusts the water temperature according to the outdoor conditions, ensuring both optimal efficiency and comfort.
• Reverse Flow Detection: The SL 30-199G3 features reverse flow detection, ensuring the boiler operates safely and efficiently.
• Warranty Coverage: Enjoy a 5-year limited manufacturer’s parts warranty and a limited lifetime residential heat exchanger warranty, providing you with long-term protection and peace of mind.

Details

The SL 20-160G3 is a high residential high-efficiency condensing boiler designed to provide exceptional heating performance while optimizing energy consumption. With its Touch Screen Boiler Controller, this model offers express setup, remote monitoring, and diagnostics capabilities, providing convenient control and access to system information. The intuitive user interface, along with convenient features like USB programmability and true native BACnet compatibility, guarantees a smooth user experience. The simplified load pairing and visible flame current further enhance the convenience and efficiency of this boiler.

SL 20-160G3 Boiler Features

• Advanced Touch Screen Boiler Controller with express setup, remote monitoring, and diagnostics capabilities.
• Dual piping options are available for versatile installation.
• High efficiency up to 96% AFUE for significant energy savings.
• Multiple zone pump control for up to 4 zones, eliminating the need for external pump controls.
• Approved PVC/CPVC/PPs are venting up to 480ft, providing installation flexibility.
• Patented MFZ Technology for enhanced component durability and moisture management.
• Built-in CSA/UL approved LWCO and manual reset high limit for added safety.
• Direct connection to IBC Indirect Water Tank without a primary loop for simplified setup.

Details

The SL 14-115G3 residential condensing boiler from our SL-Series offers impressive efficiency and performance for residential heating applications. Equipped with a user-friendly Touch Screen Boiler Controller, this model provides express setup and remote monitoring capabilities, allowing for convenient operation and easy access to system diagnostics. The controller also offers USB programmability, true native BACnet compatibility, an intuitive alert system, and simplified load pairing.

SL 14-115G3 Boiler Features

• User-friendly Touch Screen Boiler Controller with express setup, remote monitoring & diagnostics, and easy USB programmability.
• Achieve cost-effective heating and minimize fuel consumption with an impressive efficiency rating of up to 96% AFUE, ensuring high energy efficiency.
• Multiple zone pump control for up to 4 zones, eliminating the need for external pump controls.
• Approved PVC/CPVC/PPs venting up to 480ft for flexible installation options.
• Patented MFZ Technology for moisture management and extended component lifespan.
• Built-in CSA/UL approved LWCO and manual reset high limit for enhanced safety.
• Direct connection to IBC Indirect Water Tank without a primary loop for simplified setup.
• Turndown ratio of up to 8:1 for powerful heating performance in extreme weather conditions.
• Built-in outdoor reset control for precise regulation of water temperature.
• Reverse flow detection for added system protection.