Welcome to Knew Value, the home of Sentinel test heat exchanger.  We are passionate about helping companies and operators alike, efficiently solve problems in their heating and cooling equipment by utilizing our patented test heat exchanger.  Take a look around; we hope we can provide you with the opportunity to know what is happening in your critical equipment, either through our own expertise or by supplying you with one of our Sentinel Models.

Sentinel offers a one-of-a-kind window into your cooling water systems by modeling actual conditions, while simultaneously letting you see the results immediately.  Our patented & exclusive technology provides uniform heat transfer to accurately evaluate cooling water performance in your critical equipment.

Whether your application is an industrial heat exchanger, offshore oil rig, manufacturing plant, ultimately, Sentinel by Knew Value is your solution to reliability, efficiency, and profitability.

“THE SENTINEL IS THE TOOL. IT IS THE LINK TO DETERMINE,

WHAT DO I NEED TO DO DIFFERENT THAT I’M NOT DOING TODAY?

THAT IS THE BEAUTY OF THE SENTINEL”

– Michael Dorsey
DuPont Duet Team Member

Explore TO LEARN MORE

Visual Corrosion Monitoring
Early Bacteria & Legionella Detection
Visual Scale & Deposit Monitor
Advanced Fouling Abatement
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Water Use Optimization
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Competitive Sales Tool
Treatment Modifications
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Realistic Heat Exchanger Simulation
HVAC & Chilled Water
Heating Medium Systems (HMS) & Hot Water
Research & Development
Industrial Heat Exchangers

“SENTINEL IS A QUANTUM SHIFT IN HOW WE TEST FOR CORROSION IN OUR COOLING TOWERS.”

– Brian Bloxom
Ammonia Superintendent
CF Industries, Courtright, Ontario

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