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Our core product is the Mysticool Max valve—an add-on component that can improve a cooling or refrigeration system's performance and capacity. The valve changes the characteristics of the refrigerant flow pattern through the evaporator—leading to a more efficient system that uses less energy and saves money.

The Mysticool Max can be installed without altering any of the other system components. It's located downstream of the metering device and works with all mechanical and most electronic thermal expansion valves, as well as capillary, automatic, and pressure flow control devices.

What it does

Mysticool Max combines our revolutionary X-Stream® and A.R.M.E.D.® technologies to benefit both air conditioning and refrigeration systems. Its patented Altered Bi-Phase Flow/High Vapor Fraction Turbulent technology allows for increased heat transfer coefficients, improved compression ratios, lower operating superheats, more stable refrigerant flow, indoor air quality enhancement, safer compressor operation, encouraged oil return, cooler compressor head temperatures, reduced compressor runtime and frost uniformity.


This multi-functional valve is adaptable to any line size and is compatible with all common Freon-based refrigerants and blends. It is rated at 700 psi so it is 410a capable.

Mysticool Max supports a wide range of BTU capacities. It can be installed on anything from a closet cooler to rooftop units 30+ tons.
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Xstream® Technology

X-Stream Technology is the main component of Mysticool Max. It was developed with the mindset that heat transfer is the most important aspect of cooling and that vapor has a role to play in the refrigeration system.
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A.R.M.E.D.® Technology

A.R.M.E.D. Technology, integrated into the Mysticool Max, works in tandem with X-Stream to fine-tune the refrigerant feed and allows for optimization of heat transfer throughout the evaporator.
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RapiDefrost is a same-direction, hot gas defrost system for use in all refrigeration systems that offers the benefits of X-Stream Technology. Read More



One of XDX's first innovations, XTC® is a same-direction hot gas defrost system with a built-in hot gas solenoid valve and a liquid line solenoid.
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XDX improves the performance of:

Low Temp Equipment

Blast Freezers
Display Freezers
Reach-in Freezers
Storage and Walk-ins

Med/High Temp Equipment

Air Conditioning
Deli Service Counters
Rack Systems
Reach-in Coolers
Refrigerated Cases
Refrigerated Display Cases
Refrigerated Drink Machines
Shell & Tube Evaporators
Walk-In Coolers