V11H Series

V11H Series

Available in 20 sizes with gross output ratings from 667 to 4,551 MBH, the V11H Series is commonly used in large commercial applications where heating requirements demand a high-capacity boiler. The V11H is available with nearly unlimited control configurations, making it ideal for simple or the most complicated installations.



Fuel Gas, Oil or Gas/Oil Combination
Thermal Efficiency 81-87%
Fuel Input 837-5,733 MBH
(5.8-39.8 GPH)
Venting Forced Draft
Water or Steam Water or Steam
Domestic Water Coil Optional
Heat Exchanger Cast Iron
Condensing No
Burners Beckett, Carlin, Power Flame, Webster, Weishaupt
Shipping Options Knockdown, Assembled Sections, Packaged or Firetested
Warranty 10-Year**

**In the interest of continual improvements in products and performance, Burnham Commercial reserves the right to change specifications without notice. A complete copy of the boiler warranty, including details and limitations, can be found on our website www.burnhamcommercial.com.


  • Oil, Gas or Gas/Oil Combination
  • Water or Steam
  • 837 to 5,733 MBH Input
    (5.8 to 40.0 GPH)
  • Forced Draft
  • Made in the USA
  • 5 Burner Manufacturers

Customers can select one of five burner options, which give flexibility to the installing contractor to select a burner that they are familiar with and feel comfortable servicing.

  • Beckett – Oil or Gas
  • Carlin – Oil
  • Riello – Oil, Gas or Combination Gas/Oil
  • Power Flame – Oil, Gas or Combination Gas/Oil
  • Webster – Oil, Gas or Combination Gas/Oil

Easy to Assemble
V11H boiler sections have reinforced lugs that are used to assemble the sections with individual draw rods, resulting in fast, strain-free assembly. Having individual draw rods means the boiler can be assembled one section at a time, using simple hand tools, including a combination or open-end wrench and 3/4-inch drive ratchet.

The Cast Iron Nipple Difference
Like all Burnham Commercial cast iron boilers, the V11H is assembled using durable cast iron nipples, which expand and contract along with the boiler sections, ensuring a water-tight seal for many years of reliable service. Nipples are impervious to boiler flue gases and petroleum based chemicals, including corrosion inhibitors, pump lubricants, and anti-freeze.

USA-Made Cast Iron Section
V11H sections are made at Burnham Foundry, LLC, in Zanesville, Ohio. Working closely with Burnham Foundry allows Burnham Commercial to respond quickly to customers’ needs. We always have the castings that we need to fill orders and meet customer deadlines.