Water-to-Water Heat Exchangers
Aquatherm’s water-to-water heat exchangers provide a reliable, efficient method of heating swimming pool and spa water indirectly from a boiler, heat pump or other hot-water source. Manufactured from corrosion-resistant 316 stainless steel at our factory, they are designed to withstand chlorinated pool environments and deliver long service life with minimal maintenance.
Designed and manufactured in accordance with recognised engineering standards (EN 13445 principles) with full PED compliance (SEP / Category I where applicable).
Severn Bypass Heat Exchanger - 316 Stainless Steel
The Severn provides efficient indirect heating of pool and spa water from a boiler, heat pump or other primary hot-water circuit. Its high-flow design creates an inherent self-cleaning effect, reducing fouling and maintenance over the life of the installation.
Key features
- Manufactured in 316 stainless steel; corrosion resistant in chlorinated pool and spa water
- High internal flow velocities create a self-cleaning effect, reducing fouling and maintenance
- Compatible with boilers, heat pumps and other primary hot-water circuits
- Rated thermal outputs from 29 kW to 644 kW
- Design pressure 3 bar; hydrostatic test pressure 4.3 bar
- Low pressure drops throughout
- Can be supplied to match existing pipework; bespoke configurations available on request
- 5-year warranty on the stainless steel body (excludes consumables)
Technical datasheets, schematics, and 3D drawings available on request.
Avon Full Flow Heat Exchanger - 316 Stainless Steel
The Avon is designed for larger leisure and competition pools requiring higher outputs. The fully removable end plate, header and tube bundle make in-place servicing straightforward. Compatible with boilers, heat pumps and other primary hot-water circuits.
Key features
- Manufactured in 316 stainless steel; corrosion resistant in chlorinated pool and spa water
- Removable end plate, header and tube bundle for easy in-place inspection, cleaning and maintenance
- Compatible with boilers, heat pumps and other primary hot-water circuits
- Rated thermal outputs from 14 kW to 879 kW
- Design pressure 7 bar; hydrostatic test pressure 10.3 bar
- Low pressure drops throughout
- Can be supplied to match existing pipework; bespoke configurations available on request
- 5-year warranty on the stainless steel body (excludes consumables)
Technical datasheets, schematics, and 3D drawings available on request.
Spares & Replacement Components
We supply a full range of spares to support the ongoing maintenance of Aquatherm equipment, including gaskets. All spare components are manufactured or sourced to match original specifications, ensuring a reliable fit and dependable performance.
Contact us to discuss your requirements.