Rheos® Domestic Hot Water Boilers

Big Savings, Small Footprint

The Rheos provides ultra-high performance and superior efficiency in a fully modulating, fully condensing, and compact, sealed combustion domestic hot water boiler. Ultra low NOx emissions (less than 10 ppm) and up to 98% thermal efficiency deliver the ultimate in eco-conscious and fuel-saving operation.

Rheos Pump-Mounted and Volume Models offer high-efficiency and low-cost systems for commercial installations requiring up to 2.4 million BTU/hour.

Product information downloads:

Can't view downloads?
Get Acrobat Reader Free

Rehos Boiler

    Key Features

  • Up to 98% thermal efficiency
  • Available in 4 model sizes: 1,200, 1,600, 2,000 and 2,400 Mbh
  • Seamless combustion modulation maintains maximum efficiency and reduces operating costs up to 50%
  • Patented, double-row, copper-finned tube heat exchanger
  • Compact, through-the-door design
  • Low NOx (less than10ppm)
  • Flexible venting and piping options
  • Mixing system with low water return heat exchanger and flow rate protection