
The Weil-McLain SVF (Stainless Vertical Firetube) is a state-of-the-art boiler engineered to deliver reliable performance. As Weil-Mclain's most advanced commercial stainless steel boiler, the SVF boiler boasts industry-leading thermal efficiency between 96.2% up to 97.1%.
Enhanced by extra-durable materials and corrosion-resistant components, the Weil McLain SVF offers an added level of protection against wear and tear. In addition to industry-leading reliability and exceptional efficiency, the Stainless Vertical Firetube offers an intuitive and user-friendly Unity control system, unparalleled ease of maintenance and installation, and much more.
Continue reading to learn more about the new Weil-McLain Stainless Vertical Firetube boiler.
You Can Have It All with the Weil-McLain SVF

The SVF line of boilers were developed based on extensive market research and testing to help ensure the most effective design and enhanced functionality. Available in 750, 1000, 1100, 1500, 2000, 2500 and 3000 models, the SVF line includes a stainless steel fire-tube heat exchanger that provides best-in-class resistance to corrosion and an aesthetically pleasing exterior.
It delivers superior thermal and energy efficiencies as well as cost savings that can help make building owners eligible for local utility rebates. The Weil-McLain SVF meets all standard bid specifications for new construction. Most importantly, this boiler is engineered for most heating needs including applications in public institutions, schools, offices, healthcare buildings, hotels, churches, multi-family homes, and much more.
With the Weil-McLain SVF boiler, you can have it all with a unit that covers all of the required bid specs for new construction, such as:
ASME Certification | Vertical Fire-tube Design |
Industry-Leading Efficiency | 100% Stainless Steel Heat Exchanger & Shell |
Natural Gas/Propane | Up to a 10:1 Turndown Ratio |
Ease of Installation and Service | 160 PSI Working Pressure |
Low NOx Emissions | Full Lineup of Venting Options |
Convenient "Door-Fit" Design | Unity™ User-Friendly & System Controls |
Weil-McLain Reliability | Corrosion Protection/Resistance Solutions |

Industry Leading Efficiency with Weil-McLain SVF
The Weil-McLain SVF boiler heat exchanger features a unique, proprietary clover-shaped, fire-tube design. The heat exchanger offers a greater surface area that promotes maximum heat transfer. This is one of the reasons the Weil-McLain SVF boiler is able to deliver up to 97.1% thermal efficiency — based on the model.

The Weil-McLain SVF boiler heat exchanger features a unique, proprietary clover-shaped, fire-tube design. The heat exchanger offers a greater surface area that promotes maximum heat transfer. This is one of the reasons the Weil-McLain SVF boiler is able to deliver up to 97.1% thermal efficiency — based on the model.
SVF's Unity Offers Effortless Control
The SVF features a world-class Unity™ control system that combines user-friendly, intuitive design with advanced technology. A few key attributes of the Unity Control system include:

The Unity Controller intuitively reduces set-up and installation time for contractors and helps simplify boiler design for engineers. This system also bolsters communication and improves control interface commonality across the entire high-efficiency boiler line of Weil-McLain.
Stainless Vertical Firetube Offers Simplified Installation
The new Stainless Steel Vertical Firetube boiler streamlines installation and setup which saves time, money, and labor costs.

Hassle-Free Maintenance of the Weil-McLain SVF
Another exceptional hallmark of the Weil-McLain SVF series boiler is hassle-free, easy maintenance. It features a range of innovative features designed to make maintenance stress-free and simple.

Enhanced Longevity and Corrosion-Resistance
Durability is uniquely engineered into every Weil-McLain SVF boiler. It's enhanced by several advancements in anti-corrosion technology, which virtually guarantees reliable, long-lasting heat exchanger performance.

The SVF Models
Below are the performance specs for each of the seven SVF models:
Model No. | Thermal Effeciency | Max Pressure (psi) | Max Input (MBH) | Gross Output (MBH) | Net AHRI Rating (MBH) | Turn Down | Water Conn | Gas Conn | Air/Intake Vent Size | Length | Width | Height | Shipping Weight (lbs) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SVF 750 | 96.30% | 160 | 785 | 756 | 657 | 5 : 1 | 2" flange | 1 1/4" | 6" | 46.5" | 31.5" | 79.1" | 1,565 |
SVF 1000 | 96.80% | 160 | 1,000 | 968 | 842 | 4.4 : 1 | 3" flange | 1 1/4" | 6" | 51.0" | 31.5" | 79.1" | 1,875 |
SVF 1100 | 97.10% | 160 | 1,134 | 1,101 | 957 | 5 : 1 | 3" flange | 1 1/4" | 6" | 51.0" | 35.4" | 79.1" | 1,875 |
SVF 1500 | 96.50% | 160 | 1,500 | 1,448 | 1,259 | 7.5 : 1 | 3" flange | 2" FNPT | 8" | 84" | 35" | 79" | 2,550 |
SVF 2000 | 96.20% | 160 | 1,999 | 1,923 | 1,672 | 10 : 1 | 3" flange | 2" FNPT | 8" | 84" | 35" | 79" | 2,550 |
SVF 2500 | 96.80% | 160 | 2,499 | 2,419 | 2,104 | 8.3 : 1 | 3" flange | 2" FNPT | 10" | 84" | 35" | 79" | 2,850 |
SVF 3000 | - | 160 | 3,000 | 2,874 | 2,499 | 10 : 1 | 3" flange | 2" FNPT | 10" | 84" | 35" | 79" | 2,850 |
Contact Applied Technologies of New York
Looking to learn more about the Weil-McLain SVF? Contact Applied Technologies of New York to learn whether the Weil-McLain SVF is the right fit for your facility.