Amarinth Ci-Nergy Condensate Rrecovery Units perform a critical role in the overall condensate recovery system, ensuring that the maximum latent energy is retained by using variable speed technology to return the condensate to the boiler more rapidly, significantly saving operating costs. They are typically used in industrial buildings such as factories and hospitals.

Ci-Nergy recovery units are manufactured in two tank sizes and incorporate an automatic control panel and a specially designed low NPSH pump. The tank has been designed to fit a small footprint, saving space and cost.

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CRU Sizing Charts

Amarinth Ci-Nergy Condensate Recovery Units are designed to reduce operating costs using variable speed technology. Units are sized based on the head and flow required to get the condensate back to the boiler, along with the operating temperature as this affects the NPSH required by the pump - either 98°C or 94°C.

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The images below are provided to help you visualise the various Ci-Nergy CRU product configurations including:

  • General arrangement
  • Sectional arrangement

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A range of intelligent Condensate Recovery Units manufactured using, stainless steel tanks, and variable speed technology to continually deliver the optimum return of condensate to the boiler.


Stainless steel heavy duty, modular design with integral intelligent control unit

Design methodology

Advanced computer techniques including 3D modelling, FEA & CFD

Design pressure rating

Vented operation

Temperature rating

120°C (standard construction)

Operating temperature

Up to 98°C

Flow rate

Up to 35,000kg/h

Differential head

Up to 35m



Control gear

Electronic pressure sensors linked to an intelligent PLC


Simplex unit

Design life

20 years (2 years uninterrupted operation)