Domestic Immersion Heaters

Domestic Immersion heaters

Backer’s domestic immersion heaters are engineered for use in vented and unvented hot water cylinders, thermal stores,
and renewable energy systems. Available in a range of materials and configurations, they offer durability, energy efficiency, and customisation to suit all domestic water heating needs.

Full range available:

  • Standard lengths - 11"-36"
  • Standard rating - 3kW
  • Low Wattage available - 1kW, 2kW
  • Bespoke available for manufacture if special is required.

All Available Domestic Immersion Heaters

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Incoloy Immersion Heaters

  • Designed for hard water areas and long
    service life
  • Made from Incoloy 800/825 for excellent corrosion resistance
  • Suitable for both horizontal and vertical installation
  • Available in a wide range of lengths and thread sizes
  • Compatible with dual thermostat configurations for added safety

 

Copper Immersion Heaters

  • Ideal for soft water areas and standard
    domestic use
  • Cost-effective and highly thermally conductive
  • Available in 1½", 1¾", and 2¼" BSP thread sizes
  • Compatible with a variety of thermostat types
  • Suitable for vented cylinders and basic hot water systems

 

Titanium Immersion Heaters

  • Built for aggressive or mineral-rich water conditions
  • Offers maximum corrosion resistance and long-term reliability
  • Suitable for specialist domestic systems and marine environments
  • Compatible with standard and digital thermostats
  • Ideal for premium installations or problematic water areas

 

eCOHeat – Low Wattage Immersion Heaters

  • Designed for renewable energy systems like solar thermal and heat pumps
  • Operates efficiently at 1kW–2kW for low-load applications
  • Reduces energy consumption and supports off-grid or surplus energy use
  • Compatible with vented and unvented cylinders

Why Choose Backer Domestic Heaters?

  • UK Manufactured to the highest quality standards
  • Pressure tested to 3.5 bar for safety and reliability
  • IP-rated terminal covers for electrical protection
  • Custom-built options available for OEM and retrofit applications