Copper Heat Exchanger (Convoluted)

Copper Heat Exchanger (Convoluted)

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This heat exchanger is a great option as either a HERMS coil or immersion wort chiller. The convoluted copper tubing is twisted to make a pattern that breaks up the laminar flow inside the tubing, exposing more water or wort to the walls of the copper tubing and encouraging the transfer of heat. The twisted pattern makes this type of tubing very efficient material for heat exchangers. That's why this very coil is used in the HERMS setup featured on the BrewBuilt BrewSculpture™ and we highly recommend it to anyone making their own heat exchange recirculating mash system.

The inlet and outlet feature 1/2" FPT, which means rigging this unit up with quick disconnects or pipe thread to garden hose fittings is super easy.


  • 25 ft. of 5/8" convoluted copper
  • Coil is 9" tall and 9" outer diameter
  • Approximately 24" in height to the bend for inlet and outlet
  • 1/2" FPT copper inlet and outlet


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5.0 / 5.0
2 Reviews
5 Stars
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1 Star
Rated 5 out of 5
Love it. Used it today in my DIY HERMS setup. Easy to hold my mash at my target temperature
March 14, 2021
1 year ago
Rated 5 out of 5
This product works great for HERMS brewing!
I recently purchased this convoluted copper heat exchanger and it is well worth the investment! I recently used it in my hot liquor tank to recirculate a 12 gallon mash and it held temps constant throughout the entire 60 minutes with ease. I would recommend buying an inline thermometer for the "out" end and a quick disconnect for the "in" end of the device to help easily read and maintain temp. I recommend this product to all homebrewers looking to utilize the HERMS brewing method.
November 19, 2013