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Weldless HERMS Coil Kit 30cm BSP

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Weldless HERMS Coil Kit 30cm BSP
Excl. Tax: €105.00 Incl. Tax: €127.07

Price as configured: Excl. Tax: €0.00 Incl. Tax: €0.00

Availability: In stock

Stainless steel HERMS coil kit with threaded fittings. Very easy to install, with O-ring seal on inside and outside of the kettle.

1 x Stainless Steel HERMS Coil with BSP Fittings - 30cm   +€95.00 (+€114.95 Incl. Tax)
4 x 212 Silicone O-ring (7/8" ID, 1-1/8" OD)   +€2.00 (+€2.42 Incl. Tax)
2 x Sealing Locknut (1/2" BSP)   +€8.00 (+€9.68 Incl. Tax)

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Price as configured: Excl. Tax: €0.00 Incl. Tax: €0.00



Our stainless steel HERMS coils are very easy to install in your own kettle. You only have to make two 21mm holes with a hole punch.

We custom designed the fittings for this coil, with the following in mind:

  • Once installed, the O-ring is completely hidden and protected by the stainless steel.
  • The O-ring has 20% compression and 20% free goove volume, for a good seal and a long life span.
  • The fitting is very sleek on the inside of the kettle.
  • The fitting is easy to install.
  • The length of the thread is 3/4 inch, so after adding the locknut, you still have enough length for a ball valve or camlock fitting.

The fittings are mounted onto the coil with a hydraulic press at the factory. This is watertight and very strong. 100% guaranteed: if the fitting leaks, you will get a 100% refund.

This kit also comes with custom face sealing locknuts: they have the exact same O-ring groove as the fitting for a double secure seal!

Our 30cm coil is the perfect size for a 35-44 cm kettle. For a kettles above 45cm, we recommend our 40 cm coil.


Coil diameter 30 cm
Coil height 20 cm
Tube length: 11.3 m
Tube outer diameter: 12 mm
Tube inner diameter 11 mm
Material: SS304 stainless steel
Fittings: 1/2" BSP
O-rings: Food grade silicone


 Please see the Mashing page for a video demonstration of installing the coil.


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