Grant DuoWave Unvented Twin Coil Solar Cylinders are suitable for use where a secondary heat source is being utilised. They are especially useful to combine with a Grant Solar Thermal installation.
With 4 different sizes available, there is a Grant DuoWave Cylinder to suit the smallest household, as well as larger and more demanding situations.
- Grant Solar Cylinders can be purchased in the following capacities: 200, 250, 300 & 400 litres
- Manufactured from high quality corrosion-resistant stainless steel.
- Insulated with of CFC free, fire retardant polyurethane foam - keeping heat loss at a minimum.
- Internal coils are constructed from 22mm stainless steel - meaning high efficiency and quick recovery.
- Flow rates can be as much as 55 litres per minute at 2.1 bar pressure (depending upon the incoming flow rate available).
- All cylinders are 580mm in diameter.
2 Year Guarantee on Components
25Yr Guarantee on Cylinder Shell