Installation Instructions
Electric Combi Boiler
The key benefits for your customer
Energy efficient: Converts nearly 100% of electrical energy into heat.
Eco-friendly: Zero on-site emissions and compatible with renewable energy sources like solar or wind power.
Compact design: Saves space and eliminates the need for flues or ventilation.
Low maintenance: No moving parts, reducing wear and tear.
Quiet operation: Ideal for residential environments.
Peace of mind: 7-year warranty when installed with the installation kit and registered online.
Offering the complete service experience
Our electric Combi Boiler Technical service. From the moment of installation, customers benefit from on-site commissioning and support. Our zero callback guarantee means peace of mind for installers: once the system is fitted, it’s truly “fit and forget”.
We handle the technical support directly, freeing up your time and ensuring a seamless experience for the end user. This approach makes us a standout partner for professional, stress-free electric heating installations.
When and where to use
14kW Combi Boilers - Suitable for properties with a single shower. Not recommended for properties with baths, due to slightly slower flowrates (approx. 6ltr/min).
24kW (3 Phase) Combi Boilers - For those properties in the UK that have a 3 Phase supply, this boiler is suitable for baths. Alternatively a system boiler and hot water cylinder would work
Our boilers deliver direct hot water, so:
- No cylinder required.
- No mandatory servicing and minimal maintenance costs.
- Extra 2 year warranty when fitted with a ThermoSphere installation kit and registered online.
Technical flow rate specifications
Our Combi Boilers have a heat exchanger with a maximum power of 14kW to heat the hot water. As the boilers are range rateable, the maximum power can be adjusted lower to suit the requirements. If you have a shower in the property, we don't recommend it being adjusted any lower than 12kW.
At full power, set to 14kW, the boiler will raise the temperature of the incoming water by 30°C at a flow rate of 6.5 litres per minute. The incoming mains flowrate must be restricted to between 5 and 6 litres per minute to deliver water hot enough for showers (39°C is a normal shower temp) when the incoming mains temp is low. We recommend restricting the flow of water to the boiler via flow restrictor of 5 or 6 litres per minute.
We supply a 5l/min flow restrictor with our Installation kit, which ensures there is always hot water, even on the coldest days.
Get a new electric boiler quote
Complete this short form to receive a new electric boiler quote along with the right specification for your property.
To discuss electric boilers for larger projects, please call one of the team on 01622 689440.
