Burnham MegaSteam

Burnham Mega Steam
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Product Name
Product Category
Oil-Fired Boilers
10 year limited warranty on heat exchanger 5 year limited warranty against waterside corrosion
*Unit Cost
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*Unit not sold separately. Does not include installation** cost.

** Cost to install is quoted based on the size of the home, the unit’s KW rating, electrical upgrade needs, permits and code upgrades if needed, and optional accessories (cold weather kit, battery, etc)


The MegaSteam Oil Fired Boiler from Burnham is one of the Burnham’s most popular boilers.

The Burnham MegaSteam has an Energy Star rating of 86% AFUE and they are available in 4 different sizes: The MST288 has a heating capacity of 92,000 MBH, the MST396 has a heating capacity of 127,000 MBH, Model MST513 has a heating capacity of 164,000 MBH, and Model number MST629 a heating capacity of 201,000.

The MegaSteam Oil Fired Boiler has some standard features. Some of these features are the 3-inch jacket insulation; this will help lessen the amount of heat loss that may happen when the boiler is on standby. The boiler controls are the best in the industry, the Pressuretrol is from Honeywell and the Hydrolevel is a model CG450-LWCO. Installed on the boiler is the Junction Box that has a plug in and has accessory connections. The MegaSteam boiler has a Rear View System; this is the location of the rear flue outlet that provides more space for installing steam boiler piping. The Model MST has a Beckett AFG Burner with Cover; Beckett is one of the most recognized names in the burner and heating industry.

Why should you choose the MegaSteam Boiler System? These boiler systems are easy to install, easy to maintain and simple to service. The Installation procedure makes it easy by having the plug and play junction box, the reversible swing away door and an easy to connect power cord. For maintenance, these boilers have a removable stainless steel baffles form the flue way, rear flue cleanout plates and more room in the flue ways for easier cleaning. The Burnham MegaSteam is a High Efficiency Oil Fired Steam Boiler; it has a 3-pass Cast Iron design. The 3-pass system will help run the boiler more efficiently with a dry steam and a low moisture amount. This will cut down on the amount of rust and corrosion that form on the boiler when there is too much moisture. The famous Energy Star Rating System has given the MegaSteam Boiler a Certificate for the most efficient oil fired steam boilers in the industry.

These units are also available with a Tankless Heater Option or if you are thinking of adding a water heater to the MegaSteam System then try the Burnham Alliance SL. This water heater can be used on so many domestic hot water systems and will work with any application. These water heaters are available in 5 different sizes and will provide many years of great service. What makes the MegaSteam System from Burnham one of the best boilers around?

The Cast Iron Heat Exchangers on these boilers are covered by a Burnham Hydronics standard that has a 10-year limited manufacturers warranty. Plus the company offers a 5-year protection from corrosion on all of the boilers. The company offers a Winter Warmth Assurance Program, which is an additional coverage to the boiler during the winter months. Perfect coverage for one of the best boilers on the market today.


  • For steam applications only
  • Unique 3-pass heat exchanger for exceptional efficiency and steam quality
  • Unsurpassed 5-year Warranty against water side corrosion
  • Tankless coils are available
  • 10-year Limited Warranty on the heat exchanger
  • Optional 5 or 10-year parts & limited labor warranty

Burnham MegaSteam Specifications