Flue water jacket 850 mm heat Exchanger, header tank, pump and strap-on Thermostat.
This retro fit system is suitable if you have an existing fire (with no water jacket) and a solar hot water system with the tank on the ground.
Stainless Steel Flue water jacket
830 mm Heat Exchanger suitable for securing to the side of a vertical hot water storage tank (see picture)
Header Tank, Pump & strap-on Thermostat