Oil-Fired, High Efficiency,

3-Pass Water Boilers

Burnham’s MPO Boiler

Unique 3-Pass Cast Iron Design

The MPO boiler has been exclusively designed by Burnham engineers to use a 3-pass cast iron sectional design that is unequaled in the industry. MPO sections are produced in Burnham’s own state-of-the-art foundry in Zanesville, Ohio, and are the primary reason why the MPO is able to attain an ENERGY STAR-certified 87% AFUE.

Built-in Return Water Boiler Protection

Every MPO boiler comes equipped with a unique return water blending device that automatically mixes hot boiler water with cool return water. This device also aids in keeping temperatures consistent within the boiler which provides greater operational efficiencies and allow the boiler to operate with virtually any type of hot water system.

Easy to Install, Maintain, and Service

From installation to service, the MPO has been designed with the contractor in mind. Installation features include a plug-and-play wiring junction box with easy plug-in control and accessory connections, and a reversible swing-away door with an easy connect power cord for the burner. The MPO includes a Honeywell electronic high-limit aquastat and provisions for optional plug-in accessories, such as a low water cutoff or an additional high-limit. For maintenance and servicing, the MPO comes equipped with reversible stainless steel flueway baffles, rear cleanout access plates, and ample flueway clearance for easy cleaning.

Multiple Burner Options

Burnham offers the flexibility of multiple burner choices for the MPO boiler. A selection of burners from industry-leading manufacturers is available for all MPO sizes*.

MPO Direct Vent Kit

No chimney? The MPO-DV (Direct Vent) Option Kit is the perfect solution! The venting kit includes a stainless steel sidewall concentric vent/air intake termination. To connect the boiler flue connects to this piece, a flexible stainless steel, double wall, insulated pipe is also available in 5, 10, 15, and 20 foot lengths.

Intake air for combustion connects directly from the burner housing to the vent terminal with a 4” galvanized single wall pipe.

Additional Venting Options

MPO-DV Option Kit’s flexible stainless steel pipe permits installation in just about every application where a chimney is not available. For added convenience in installations where there is little clearance behind the boiler, optional stainless steel “starter tees” are now available. These tees fit directly to the rear of the boiler and allow for the pipe to be connected vertically. This dramatically reduces the footprint of the boiler installation, by allowing the MPO to be installed close to a wall. Featuring

welded stainless steel construction, the tees are equipped with a convenient, handle- operated, removable bottom cleanout plate.

*Direct Vent boilers require the use of dedicated direct-vent compatible burners, such as the Beckett NX. Additional burners may be available, please contact your Burnham supplier for details.

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Burnham MPO Series manual Burnham’s MPO Boiler
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MPO Series specifications

The Burnham MPO Series is a distinguished line of commercial and residential boilers renowned for its efficient performance and advanced technology. Designed for both hydronic and forced hot water applications, the MPO Series delivers high efficiency and reliability, making it an ideal choice for a variety of heating needs.

One of the standout features of the Burnham MPO Series is its high-efficiency design, which often reaches input ratings of up to 85% AFUE (Annual Fuel Utilization Efficiency). This means a larger portion of the energy consumed is converted into usable heat, leading to reduced energy bills and minimized environmental impact. The series is engineered to comply with industry standards, ensuring that homeowners and businesses alike can enjoy a sustainable heating solution.

A key technology that sets the MPO Series apart is its innovative cast iron heat exchanger. This robust construction not only allows for excellent heat retention but also contributes to the boiler's longevity. Cast iron components are known for their durability, allowing the MPO Series to withstand the rigors of prolonged use without compromising performance. Additionally, the heat exchanger’s design promotes even heating, which enhances comfort in spaces being served.

Another notable characteristic of the Burnham MPO Series is its versatility. The boiler is available in multiple sizes and configurations, making it suitable for small residential homes to large commercial buildings. The flexibility in installation allows for various setups, including both direct venting and conventional venting options.

The MPO Series also incorporates advanced control options, which can include compatibility with smart thermostats and modulating capabilities. These features help optimize performance by adjusting the heating output based on real-time demand, thus improving efficiency and reducing fuel consumption.

Moreover, the MPO Series offers ease of maintenance. Its user-friendly design allows for straightforward access to essential components, ensuring that routine check-ups and repairs can be performed with minimal hassle. This feature is essential for maintaining peak performance over the life of the boiler.

In conclusion, the Burnham MPO Series stands out in the market for its high efficiency, durable construction, and versatile applications. Its combination of innovative technology and user-friendly features makes it an excellent choice for anyone seeking a reliable and effective heating solution. Whether for residential or commercial use, the MPO Series promises comfort, efficiency, and longevity.
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