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  • Industrial Immersion Heaters
  • Acid Immersion Heaters
  • Alkali Immersion Heaters
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  • Industrial Immersion Heater
    • PCSS 27/9/1 kW
      • PCSS27kW
      • PCSS9kW
      • PCSS 1kW
    • Industrial Immersion Heater 3-24kW PII Range
      • 3kW Industrial Immersion Heater
      • 4.5kW Industrial Immersion Heater – PII4,5
      • 6kW Industrial Immersion Heater
      • 9kW Industrial Immersion Heater
      • 12kW Industrial Immersion Heater
      • 18kW Industrial Immersion Heater
      • 24kW Industrial Immersion Heater
    • Brewery Immersion Heater 3-18kW PCAB Range
      • 3kW Brewery Immersion Heater
      • 6kW Brewery Immersion Heater
      • 9kW Brewery Immersion Heater
      • 12kW Brewery Immersion Heater
      • 18kW Brewery Immersion Heater
    • Heavy Duty Industrial Immersion Heaters (Brass Head): PIHB Range
      • 3kW Heavy-Duty Industrial Immersion Heater (Brass Head): model PIHB3
      • 4.5kW Heavy-Duty Industrial Immersion Heater (Brass Head): model PIHB4.5
      • 6kW Heavy-Duty Industrial Immersion Heater (Brass Head): model PIHB6
      • 9kW Heavy-Duty Industrial Immersion Heater (Brass Head): model PIHB9
      • 12kW Heavy-Duty Industrial Immersion Heater (Brass Head): model PIHB12
      • 15kW Heavy-Duty Industrial Immersion Heater (Brass Head): model PIHB15
      • 18kW Heavy-Duty Industrial Immersion Heater (Brass Head): model PIHB18
      • 24kW Heavy-Duty Industrial Immersion Heater (Brass Head): model PIHB24
    • Heavy Duty Industrial Immersion Heater 4.5-24kW PIH Range
      • 4.5kW Heavy Duty Industrial Immersion Heater (Brass)
      • 9kW Heavy Industrial Immersion Heater (Brass)
      • 12kW Heavy Duty Industrial Immersion Heater (Brass)
      • 15kW Heavy Duty Industrial Immersion Heater (Brass)
      • 18kW Heavy Duty Immersion Heater (Brass)
      • 24kW Heavy Duty Industrial Immersion Heater (Brass)
    • Heavy Duty Industrial Immersion Heaters (Stainless Steel) 4.5-24kW PIHSS range
      • 3kW Stainless Steel Heavy-Duty Industrial Immersion Heater: model PIHSS3
      • 4.5kW Heavy-Duty Industrial Immersion Heater (Stainless Steel): model PIHSS4.5
      • 6kW Heavy-Duty Industrial Immersion Heater (Stainless Steel): model PIHSS6
      • 9kW Heavy-Duty Industrial Immersion Heater (Stainless Steel): model PIHSS9
      • 12kW Heavy-Duty Industrial Immersion Heater (Stainless Steel): model PIHSS12
      • 15kW Heavy-Duty Industrial Immersion Heater (Stainless Steel): model PIHSS15
      • 18kW Heavy-Duty Industrial Immersion Heater (Stainless Steel): model PIHSS18
      • 24kW Heavy-Duty Industrial Immersion Heater (Stainless Steel): model PIHSS24
    • Oil Immersion Heater 750w – 4.5kW POIL Range
      • 750W Oil Immersion Heater
      • 1kW Oil Immersion Heater
      • 1.5kW Oil Immersion Heater
      • 2.25kW Oil Immersion Heater
      • 3kW Oil Immersion Heater
      • 3.75kW Oil Immersion Heater
      • 4.5kW Oil Immersion Heater
      • 6kW Oil Immersion Heater
    • Removeable Immersion Heaters for Breweries
    • Flanged Immersion Heater
  • Heating Element
    • Incoloy 800 Heating Element 250W–6kW
    • Finned Element—for Air Heating Units 250W–6kW
    • Air Heating Element 500W – 3kW
    • Element configurations
  • 200kW Air Duct Heaters
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Screwed Immersion Heaters


PII - INDUSTRIAL IMMERSION HEATER
PIH - HEAVY DUTY INDUSTRIAL IMMERSION HEATER
PCAB RANGE – Calorifier and Brewery Immersion Heater (3–24kW)


  • PII Range Industrial Immersion Heater. 8mm incoloy 800 elements. Alloy IP67 terminal box. 2.25″BSP.
  • PIH Range Heavy Duty Immersion heater. 16mm S/S 316 elements. Alloy IP65 terminal box. 2.25″BSP.
  • PCAB Range for Calorifiers and the brewing industry. 10mm incoloy 800 elements. ABS IP65 terminal box. 2.25″BSP.

The 3 ranges allow us to cover most requirements

  • Bespoke to suit specific requirements.
  • Power ratings from 1kW to 24kW.
  • 240 or 415 volts, plus other voltages available for equipment destined for other countries.
  • Brass or stainless steel screw plugs.
  • Incoloy 800 or stainless steel sheathed elements.
  • Alloy or ABS plastic IP65 and IP67 terminal enclosures available.
  • available with thermostats and / or safety cutouts.
  • stood-off terminal enclosures available for high temperature applications.
  • flameproof (explosion-proof) ATEX-certified Exd constructions available on request.

PHS Screwed Immersion Heater Ranges:

  • Heavy Industrial Immersion Heater – PIH Range (4.5 – 24kW)
  • Industrial Immersion Heater – PII Range (1 – 24kW)
  • Calorifier and Brewery Immersion Heater – PCAB Range (9kW to 18kW)
  • Oil Immersion Heater Range – POIL Range (750W–4.5kW)”

Please email tim@nullprocessheatingservices.com for a quotation.

Download a wiring diagram for our screwed immersion heaters by clicking here -> Wiring Diagram Immersion Heaters.

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