Burnham ES2 Boilers

The Burnham ES2 boiler is the first all new, atmospheric, gas-fired, cast iron boiler for home heating that has been designed in decades. TheES2 Series boasts many innovative features including a proven, long-lasting, American-made cast iron heat engine, the ease and simplicity of atmospheric venting, an exclusive control system that provides features unrivaled by any boiler in the market, an unparalleled 85% efficient ENERGY STARĀ® rating for an atmospheric gas boiler, and an attractive exterior which is equivalent or superior to the design of the most sophisticated condensing boilers.

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  • ES2-3, 51,000 BTU Output High Efficiency Cast Iron Boiler (NG) View Specs

    $1,839.95 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • ES2-3, 51,000 BTU Output High Efficiency Cast Iron Boiler (LP) View Specs

    $1,910.90 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • ES2-4, 77,000 BTU Output High Efficiency Cast Iron Boiler (LP) View Specs

    $2,070.90 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • ES2-4, 77,000 BTU Output High Efficiency Cast Iron Boiler (NG) View Specs

    $1,999.95 / each

    In Stock! (5 Available) Ships in 24-48 Hrs
  • ES2-5, 102,000 BTU Output High Efficiency Cast Iron Boiler (LP) View Specs

    $2,199.95 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • ES2-5, 103,000 BTU Output High Efficiency Cast Iron Boiler (NG) View Specs

    $2,138.95 / each

    In Stock! (3 Available) Ships in 24-48 Hrs
  • ES2-6, 130,000 BTU Output High Efficiency Cast Iron Boiler (LP) View Specs

    $2,646.90 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • ES2-6, 128,000 BTU Output High Efficiency Cast Iron Boiler (NG) View Specs

    $2,575.95 / each

    In Stock! (5 Available) Ships in 24-48 Hrs
  • ES2-7, 153,000 BTU Output High Efficiency Cast Iron Boiler (NG) View Specs

    $2,886.95 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • ES2-7, 155,000 BTU Output High Efficiency Cast Iron Boiler (LP) View Specs

    $2,957.90 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • ES2-8, 181,000 BTU Output High Efficiency Cast Iron Boiler (NG) View Specs

    $3,155.95 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • ES2-8, 179,000 BTU Output High Efficiency Cast Iron Boiler (LP) View Specs

    $3,226.90 / each

    In Stock! (1 Available) Ships in 24-48 Hrs
  • ES2-9, 205,000 BTU Output High Efficiency Cast Iron Boiler (LP) View Specs

    $3,470.90 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • ES2-9, 207,000 BTU Output High Efficiency Cast Iron Boiler (NG) View Specs

    $3,399.95 / each

    In Stock! (2 Available) Ships in 24-48 Hrs