Today: June 23, 2018, 2:05 am

We can supply a wide range of immersion heaters including:

Domestic immersion heaters:

The Thermco range of domestic immersion heaters are fitted with a 2 1/4" BSP solid brass head to suit the majority of applications and water conditions. Sheath materials available include copper and incoloy. Immersion heaters can be provided with or without a thermostat as required and meet maxistore and duotherm specifications.

  • 2 1/4 BSP

  • Copper or Incoloy element

  • Safety cut out switch available


Industrial immersion heaters:

The Thermco range of industrial immersion heaters can be manufactured with a copper, incoloy or titanium sheathed element at a variety of lengths to suit your application.

  • Brass heads 1 1/4 BSP to 2 1/2 BSP

  • 1 kw - 18kw

  • 1ph - 3ph

  • Copper, titanium or incoloy element

  • Safety cut out switch available


In line heaters  - click here for more info

An in line heater, similar to a circulation, Willis and Geeza heater is an efficient alternative to standard conventional immersion heaters. They can also provide an advantage where problems occur with the removal of conventional immersion heaters. A circulation heating system can be a very efficient and highly economical alternative to a standard immersion heater. They are fitted externally to the hot water cylinder and can provide heated water on economical settings extremely efficiently.

  • 1.5kw - 3 kw versions available

  • Safety versions also available

  • Copper or Incoloy heating elements available


Unvented water systems

We offer specific immersion heaters for use in unvented water systems. These immersion heaters can include:

  • Dual safety thermostats with a range of KW ratings

  • High quality plug in thermostats

  • Incoloy sheath heating element


Custom heaters:

At Thermco we can also manufacture bespoke custom designed immersion heaters that require special elements, lengths, thermostats or materials to suit your requirements. We also manufacture a replacement product for the model  immersion heater as well as other replacements. For information on our range of replacement immersion heaters please visit our:

replacement products page

Immersion heater model cestb-340 replacement

We have the facilities to manufacture almost any style of immersion heater for your needs.

Download installation instructions for our immersion heaters here

Please contact us for any enquiries, information or quotations via email:

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Telephone - 01493 749900