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High-quality Weil Mclain Lgb6, 650 Mbh Input, 5" W.c. - Commercial Gas Boiler - Steam Or Water In Multiple Colors [OTWAFVsa]

$170.99 $547.99 -69%

650 MBH Input, 5" W.C. - Commercial Gas Boiler - Steam or Water85.1% Combustion efficiency saves energy. The LGB is the highest efficiency cast iron atmospheric gas boiler available. Exceeds efficiency requirements of ASHRAE 90.1Cast iron sections fo

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650 MBH Input, 5" W.C. - Commercial Gas Boiler - Steam or Water

  • 85.1% Combustion efficiency saves energy. The LGB is the highest efficiency cast iron atmospheric gas boiler available. Exceeds efficiency requirements of ASHRAE 90.1
  • Cast iron sections for corrosion resistance and long life
  • Compact design saves valuable space...only 50-3/8" high, allowing more headroom for piping and venting
  • Patented section sealing method, short draw rods and sealing rope section speed assembly to reduce installation time
  • Extra-large 9" top port opening forms an internal header for better water circulation. Large steaming area assures rapid generation of dry steam
  • AGA design certified by Air-Conditioning, Heating and Refrigeration Institute (AHRI) for natural and propane gas
  • Factory-assembled base and burners reduce installation time
  • Simplified piping. The largest LGB steam boiler requires only two risers
  • Built-in air separator in water boilers. Air is diverted to the expansions tank through a 1" tapping next to supply outlet
  • Steel jackets with durable powder-coat finish in Weil-McLain blue...completely insulated...designed for fast installation
  • 10 Year Limited Heat Exchanger Warranty. Covers cast iron sections

Weil-McLain LGB Spec Sheet

Weil-McLain LGB Installation Manual

Weil-McLain LGB Owner Manual

What Our Customers Say

December 30, 2025

Absolutely no complaints!

This is a very fine and an extremely useful tool.

- Delilah A..

December 30, 2025

Absolutely no complaints!

This is a very neat and a highly powerful tool.

- Alan G..

December 30, 2025

Absolutely no complaints!

An exceptional item. I do highly recommend it.

- Alivia W..

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