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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11" 3kW 2 ¼ BSP Incoloy Immersion Heater SH311A-AA1CA1 AESTB327Regular price £48.18 GBPRegular priceUnit price per- 
                  
24" 3kW 2 ¼ BSP Copper Immersion Heater D24/ANCRegular price £31.97 GBPRegular priceUnit price per- 
                  
14" 3kW 1 ¾ BSP Incoloy Immersion Heater 80014ATSTARegular price £54.20 GBPRegular priceUnit price per- 
                  
18" 3kW 1 ¾ BSP Incoloy Immersion Heater CEZTB 350VRegular price £125.37 GBPRegular priceUnit price per- 
                  
14" 3kW 2 ¼ BSP Copper Immersion Heater C14ATSRegular price £30.11 GBPRegular priceUnit price per- 
                  
30" 3kW 2 ¼ BSP Incoloy Immersion Heater 80030BTSRegular price £43.65 GBPRegular priceUnit price per- 
                  
1 3/4" BSP 16" 406mm Immersion Heater 09BP316Regular price £53.01 GBPRegular priceUnit price per- 
                  
14" 3kW 2 ¼ BSP Incoloy Immersion Heater SH314A-AA1HA2Regular price £58.72 GBPRegular priceUnit price per- 
                  
14" 3kW 2 ¼ BSP Incoloy Immersion Heater SH314A-AA1BA1 AESTB335Regular price £48.18 GBPRegular priceUnit price per- 
                  
11" 3kW 1 ¾ BSP Incoloy Immersion Heater SH311C-AA1BA1Regular price £33.12 GBPRegular priceUnit price per- 
                  
11" 3kW 2 BSP Incoloy Immersion Heater BESTB327Regular price £57.22 GBPRegular priceUnit price per- 
                  
11" / 279mm 1 3/4" BSP Immersion Heater 091002SPRegular price £80.90 GBPRegular priceUnit price per- 
                  
16" 6kW 1 ¾ BSP Titanium Immersion Heater SH616C-CA1GE1Regular price £143.05 GBPRegular priceUnit price per- 
                  
16" 6kW 1 ¾ BSP Incoloy Immersion Heater SH616C-AA1GE1Regular price £130.99 GBPRegular priceUnit price per- 
                  
14" 3kW 1 ½ BSP Incoloy Immersion Heater DESTB335Regular price £57.22 GBPRegular priceUnit price per- 
                  
36" 3kW 2 ¼ BSP Copper Immersion Heater D36/ANCRegular price £37.09 GBPRegular priceUnit price per
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















