Two-Stage Condensing Economizer 94% Efficiency

Featured Product from Cleaver-Brooks

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C2X-HE Economizer

New technology exclusive to Cleaver-Brooks enables the C2X-HE to be the first two-stage condensing economizer in the industry to achieve up to 94% efficiency. It is smaller and lighter than current two-stage economizer models and is ideal for high-percentage makeup water or process hot water applications.

  • Up to 94% efficiency
  • Available for 100 to 800 HP boilers
  • Lightweight with a small footprint
  • Firetube or flextube steam boiler applications
  • Can preheat large volumes of process hot water

Cleaver-Brooks engineered new technology with horizontal flow to achieve up to 94% efficiency in a two-stage condensing economizer. Competitive models use a different design and vertical flow, which requires a larger coil size and bypass.

The product's first stage returns wasted heat to the boiler feedwater. Its second-stage condensing section preheats make-up water or process water. These units deliver best-in-class overall system efficiency.

The C2X HE is ideal for applications with a 50 to 100% make-up water requirement. It is also ideal for process hot water applications such as food processing and industrial laundries.


  • Offset from the boiler on a dedicated stand
  • Up to 400 PSIG
  • First stage has 304 stainless steel tubes with aluminized steel fins
  • Second stage has 304 stainless steel tubes with aluminum steel-fins
  • Reduces fuel usage compared to traditional two-stage economizers
  • Easy installation and maintenance
  • Condenses on natural gas only
  • ASME U-Stamp certification


  • Reduce fuel costs
  • Process hot water solutions


  • 50 - 100% make up water requirement
  • Food processors
  • Industrial laundry facilities

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