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Logano G615

Buderus Oil Model G615
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Logano G615
Tradition of Excellence
Buderus has been working with cast iron since 1731. In fact, Buderus produced the world’s first low-temperature hydronic heating systems. Today, Buderus products are acknowledged as the world standard in high-efficiency, low emissions hydronic heating. All Buderus products are designed to meet strict safety and environmental regulations.

Buderus boilers are quickly and easily installed, will outlast and outperform virtually any other commercial hot water heating system, and are designed for easy access and service for maintaining the highest possible efficiencies throughout the lifespan of operation.

Advantages at a Glance

  • Designed to operate at any return water temperature
  • Full swing burner door for easy and quick, thorough cleaning
  • No refractory parts for reduced maintenance
  • Boiler fully serviced and cleaned from the front
  • Cast iron breaching for long life
  • Thermostream design increases efficiency and system reliability
  • High efficiency through full three-pass
  • boiler design
  • No thermal shock as result of unique Thermostream boiler design
  • No minimum water temperature
  • Savings in overall equipment costs, installations and annual operating costs
  • High combustion and thermal efficiencies


  • Maintain minimum 122º F supply temperature with standard high temperature controls during burner operation within 10 minutes after burner starts up
  • No additional requirements for firing with 2-stage or full modulation burners (gas or oil)
  • No minimum return water temperature and no minimum flow requirement
  • Boiler(s) shall not require return water temperature control or minimum flow condition

Here, you'll locate hot water tanks, control units or accessories that you can combine to create an optimum system, thanks to the Buderus system design.

Recommended Storage Tanks

  • Buderus offers a full range of high efficiency indirect water tanks to compliment your boiler.


Logamatic 4000