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Maintain your mash temp like a pro with a 1/2" x 50' Stainless Steel HERMS Coil from Coldbreak Brewing. Perfect for step mashing 10-15 gallon batches of your favorite brew. Attach to a kettle with weld-less compression fittings or direct welded fittings.

Additional Information

HERMS Dimensions:

  • 50'
  • OD 1/2" ID 3/8"
  • Coil diameter - 12"
  • Inlet/outlet length - 2.5" (14.5" total)
  • Distance from inlet/outlet - 8.5" (can be stretched to 18")
  • Overall coil height - 9"


  • 304 Stainless Steel
  • USA Made

About HERMS:
Wort is pumped from your mash tun through the HERMS (Heat Exchange Recirculation Mash System) coil, which is mounted inside of your HLT (hot liquor tank), and transferred back into your mash tun. The water surrounding the coil in your HLT is heated electrically or by direct fire and transfers heat to your wort. This allows complete control over your mash tun temperature. Another advantage of using a HERMS coil is the constant recirculation of your grain bed creates a natural filter, producing crystal clear wort.

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