Burnham

Burnham is a boiler manufacturer with roots going back to 1873, founded by Frederick A. Lord and William Addison Burnham in upstate New York. The company's first cast iron sectional boiler established a foundational product line. Today Burnham operates under Burnham Holdings, Inc. (Lancaster, PA), which also owns U.S. Boiler Company, Velocity Boiler Works, and Burnham Commercial. Distributed through HVAC and plumbing wholesale distributors in the U.S. and Canada.

Product Lines

• Aspen Series (ASPN): Condensing gas boiler; 85K-399K BTU input; 95-96% AFUE; stainless steel HX; 10:1 turn-down; Sage 2.3 touchscreen control; 300 degrees F max
• Alpine Series (ALP): Modulating condensing gas boiler; 95% AFUE; residential replacement and new construction
• Series 205/206: Standard-efficiency cast iron gas boiler; 82-84% AFUE; 125 PSI working pressure; chimney-vent compatible
• MPO-IQ Series: Oil-fired boiler; 87% AFUE; 160-197 MBH input; microprocessor IQ Control

Why Contractors Specify Burnham

• 150-plus year history; large installed base in the U.S. Northeast and Midwest creates sustained replacement demand
• Aspen 96% AFUE with 10:1 turn-down; stainless HX resists condensate corrosion; reduces short-cycling in partial-load conditions
• Sage 2.3 touchscreen with diagnostics reduces installation and troubleshooting time
• Full AFUE range (82-96%) covers chimney-vent retrofits through direct-vent high-efficiency new construction
• Burnham Holdings family includes U.S. Boiler, Velocity, and Burnham Commercial for complementary product coverage

How to Choose Burnham Products

Condensing (Aspen/Alpine 95-96% AFUE): confirm Category IV venting (PVC/CPVC) and condensate drainage before specifying. Size to Manual J heat loss. Standard-efficiency retrofit (Series 205/206 82-84% AFUE): use where existing chimney venting must be retained. Oil-fired: MPO-IQ 87% AFUE in 160-197 MBH range. All residential models: 125 PSI max working pressure.

Frequently Asked Questions

• Founded? 1873 by Frederick A. Lord and William Addison Burnham; first cast iron sectional boiler.
• Who owns Burnham? Burnham Holdings, Inc. (Lancaster, PA); also owns U.S. Boiler Company, Velocity Boiler Works, Burnham Commercial.
• Aspen AFUE? 95-96% AFUE; stainless steel HX; 10:1 turn-down; 300 degrees F max operating temp.
• Sage 2.3? Touchscreen control on Aspen Series; setup guidance, real-time status, built-in diagnostics.
• Working pressure? 125 PSI max on standard residential models (Series 205/206).