Blichmann Enginnering | Therminator | Wort Chiller

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The Blichmann Engineering Therminator™ is the fastest way to chill your wort to yeast pitching temperature and get your fermentation off to a quick, bacteria-free start.

Key features include:

  • Comparable to commercial brewery chillers
  • Chill 10 gallons down to 68°F in just 5 minutes using 58°F cooling water at 5 gallons per minute
  • Saves money with the lowest water consumption on the market
  • Stainless steel plates and fittings
  • Includes heavy-gauge stainless steel mounting bracket
  • Ultra compact (7.5" W, 4" D, 3" H)
  • Brazed together with pure copper in an oxygen-free furnace with no potential leaks
  • Super-low restriction is ideal for gravity feed
  • Easy to clean and sanitize plus small enough to boil
  • Garden-hose thread connections on water side mean no extra adapters needed
  • 1/2" male NPT fittings on wort side connect with virtually any common hose connector
  • Compatible with TopTier™ stand or Tower of Power™ LTE to make storage effortless

NB: *Does not include Thrumometer (pictured)

Blichmann Engineering is committed to continuous product improvement


Blichmann Engineering | Therminator | Wort Chiller | Data

How to use this graph:

This graph is used to predict the gallons per minute (GPM) of wort you can chill from boiling down to 68°F (the ideal starting temperature for fermentation) using water from your garden hose as the cooling medium.

  • Measure the cooling water flow using a bucket of known volume and a stopwatch (gal/min)
  • Measure the cooling water temperature using an accurate thermometer
  • Choose the line that best matches your cooling water flow rate [blue (5.0 GPM), red (3.0 GPM), or green (2.0 GPM)]
  • Go to the point on the y-axis (labeled "Cooling Water Temp") that matches your cooling water temperature measured in Step 2
  • Draw a horizontal line until it intersects the cooling water flow rate you selected in Step 3
  • Draw a vertical line at their intersection down to the x-axis (labeled "Wort Flow") to find the wort chill flow rate you need

Example: If you have 58°F cooling water and a 5 GPM flow, draw a horizontal line at 58°F (see dark line in graph above) over to the blue line. Draw a vertical line from the intersection down to the x-axis. Your wort chill flow rate will be 2.0 GPM.


Ice-cold cooling water and high flow rates make it easy to design a helpful cooler. But fall, spring, and summer bring higher groundwater temperatures that make it difficult to cool wort down to the right levels.

That's why we've leveraged 20+ years of engineering and homebrewing experience to develop the Therminator™. The result is a chiller that works well all year round, providing raw cooling horsepower and the features brewers demand, including:

  • Broad operating range at fast cooling rates
  • Low water usage for high efficiency
  • Low restriction for gravity feed at high flow rates
  • Compact size for easy use and sanitation
  • Heavy-duty mounting brackets for simple installation
  • Convenient straight-through water connections to prevent kinked hoses
  • Resistance to plugging
  • Substantial reduction in ice usage for cooling

Blichmann Engineering has tested and analyzed the competition using precise thermometers, flow meters, and a cooling water-blending module for precise control. The results? The Therminator™ remains the best overall value as king of the coolers!

 Therminator Operation, Assembly & Maintenance Manual