Blichmann Engineering Small HERMS Coil is a 7.75 inch tall coil of 25ft long tube and is made with 304 Stainless Steel.
This smaller HERMS Coil is used kettles up to 10 gallons. You will need to have a step down drill bit or a 13/16" knockout punch to put the hole in with. All this information is included in the instructions. Included are 2 1/2" QuickConnect Elbows.
When you have your HERMS coil installed, heat your hot liquor tank and recirculate wort through the HERMS coil. This will allow you to maintain a constant temperature. Using a whirlpool in the HLT will improve heat transfer to the HERMS Coil. This will increase efficiency of your strike temperatures. Reducing the time to reach your strike temp by 30-50%. Huge time saver!
Coil Dimensions are 9.375" diameter of coil inside kettle. The outside to the threading of your disconnects would be 11.125" The coil is 7.75 inches tall.