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Kettle inlets - outlets

We designed a custom fitting to make it easier to install inputs and outputs to your kettles with a good seal and great looks. These fittings are haudrically pressed onto our HERMS coils and kettle inlets and outlets in the Netherlands.

Making holes in your kettle

The fittings on our dip tubes, inlets and Lauterhexe all fit through a 21mm hole.

We recommend buying a 21mm Q.MAX hole punch.

Our fittings are designed for standard size 212 O-rings in both the fitting and the locknut. The inner diameter of that O-ring is 21.82mm, so it will stay well away from the hole. Once installed, the O-ring is hidden and protected by stainless steel, for a durable seal.

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8 Item(s)

  1. Sealing Locknut (1/2" NPT)
    Excl. Tax: €4.00 Incl. Tax: €4.84
    1/2" NPSL (NPT compatible) lock nut with O-ring groove for a watertight seal though a kettle. Learn More
  2. Bulkhead fitting kit (1/2" NPT)
    Excl. Tax: €18.00 Incl. Tax: €21.78
    Stainless steel fitting with double O-ring seal. Hole on the inside, male NPT thread on the outside. Learn More
  3. Whirlpool Inlet Kit 1/2" NPT - 35 cm
    Excl. Tax: €31.00 Incl. Tax: €37.51
    35cm long kettle inlet with two 90 degree bends and 1/2" NPT fittings with integrated O-ring Learn More
  4. Whirlpool Inlet Kit 1/2" NPT - 25 cm
    Excl. Tax: €29.00 Incl. Tax: €35.09
    25cm long kettle inlet with two 90 degree bends and 1/2" NPT fittings with integrated O-ring Learn More
  5. Whirlpool Inlet Kit 1/2" NPT - 45 cm
    Excl. Tax: €33.00 Incl. Tax: €39.93
    45cm long kettle inlet with two 90 degree bends and 1/2" NPT fittings with integrated O-ring Learn More
  6. Dip Tube Kit NPT
    Excl. Tax: €22.00 Incl. Tax: €26.62
    Low profile dip tube with 1/2" NPT fitting with integrated O-rings Learn More
  7. Kettle inlet kit with hose barb, 1/2" NPT
    Excl. Tax: €25.00 Incl. Tax: €30.25
    90 degree kettle inlet with hose barb and 1/2" NPT fitting with integrated O-ring Learn More
  8. Whirlpool Inlet Kit 1/2" NPT - 20 cm
    Excl. Tax: €28.00 Incl. Tax: €33.88
    20cm long kettle inlet with two 90 degree bends and 1/2" NPT fittings with integrated O-ring Learn More

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8 Item(s)