Grant DuoWave Unvented Twin-Coil Cylinders are suitable for use with solar thermal installations and applications where a secondary heat source is being utilised.
Grant Boilers are manufactured from the highest quality materials and designed not just to meet, but to exceed
Customer Testimonial
The radiator arrived OK and is now installed and working perfectly. I contacted 4 plumber's merchants locally but was unable to buy the rad. So I was quite impressed with your prices and response.