HOT WATER
Highly Efficient
- Stores heat for domestic hot water system
- Works with mains pressure
- Single 3kw heat elements
Super Compact
- 4x smaller than equivalent hot water cylinders
- Instant hot water (with no water storage)
- Specified to meet your needs
Clean & Safe
- No mandatory annual maintenance
- Non-toxic and no risk of legionella
- Lower heat loss mean lower carbon emissions
Sunamp
Sunamp’s innovative thermal storage technology is a space-saving alternative to conventional hot water tanks.

Patented Formula
Heat Exchanger
User Interface
High Quality Brass

- High Quality Brass: Quick and easy to install, with high-quality brass push-fit connectors supplied and exits on three sides of the product.
- User Interface: Simple user interface shows heat battery state of charge and operation.
- Patented formula: Sunamp’s patented and non-toxic phase change material formulation – storing four times more energy than water tanks in the same space.
- Heat Exchanger: High powered heat exchanger charged by mains electricity and/or Home Solar PV for high quality, mains pressure showers and baths.
Never compromise on comfort.
A powerful internal heating element, backed by a market-leading 10-year warranty, ensures you get the perfect shower temperature, every time.
Super-Compact Energy Storage
The sleek new design and advanced storage technology makes it up to four times smaller than equivalent direct cylinders, freeing up valuable storage space in your home.
How it works
The high powered heat exchanger charged by mains electricity and/or Home Solar PV for high quality, mains pressure showers. It will easily fill several baths from one charge.
Available in four sizes that can also be combined, a Sunamp Heat Battery is the right solution to perfectly match the exact hot water requirements of your property.


Sunamp Range & Equivalent Capacities
Model | Dimensions (mm) | Input (KW) | Store (KW) | Litres |
---|---|---|---|---|
Thermino 70 | 365 x 575 x 440 | 3 | 3.5 | 74 |
Thermino 150 | 365 x 575 x 640 | 3 | 6 | 140 |
Thermino 210 | 365 x 575 x 870 | 3 | 9 | 212 |
Thermino 300 | 365 x 575 x 1050 | 3 | 12 | 306 |
All subject to 10 year manufacturer's warranty |

Super-Compact Energy Storage
The sleek new design and advanced storage technology makes it up to four times smaller than equivalent direct cylinders, freeing up valuable storage space in your home.

How it works
The high powered heat exchanger charged by mains electricity and/or Home Solar PV for high quality, mains pressure showers. It will easily fill several baths from one charge.
Available in four sizes that can also be combined, a Sunamp Heat Battery is the right solution to perfectly match the exact hot water requirements of your property.

Sunamp Range & Equivalent Capacities
Model | Dimensions (mm) | Input (KW) | Store (KW) | Litres |
---|---|---|---|---|
Thermino 70 | 365 x 575 x 440 | 3 | 3.5 | 74 |
Thermino 150 | 365 x 575 x 640 | 3 | 6 | 140 |
Thermino 210 | 365 x 575 x 870 | 3 | 9 | 212 |
Thermino 300 | 365 x 575 x 1050 | 3 | 12 | 306 |
All subject to 10 year manufacturer's warranty |

All Sunamp models can be upgraded to be compatible with solar PV.

Hot Water Cylinders
We also offer a range of hot water cylinder alternatives.
For those with limited space, unvented cylinders offer a practical and economical hot water solution. These cylinders are pressurised to deliver mains pressure hot water throughout your home, eliminating the need for a separate header tank (common in vented systems).
Main Features
- Mains pressure (unvented) cylinder specified to meet the requirements of your home
- Single or twin 3kw heat elements
- Economic/cost-effective option
Hot Water Cylinders
We also offer a range of hot water cylinder alternatives.
For those with limited space, unvented cylinders offer a practical and economical hot water solution. These cylinders are pressurised to deliver mains pressure hot water throughout your home, eliminating the need for a separate header tank (common in vented systems).
Main Features
- Mains pressure (unvented) cylinder specified to meet the requirements of your home
- Single or twin 3kw heat elements
- Economic/cost-effective option