Tag: glow-worm system boiler

The Glow-worm Ultimate3 System is a gas condensing sealed system boiler that is smart compatible and A-rated for efficiency. If you want to replace your old boiler with a new energy-efficient model that is backed by a great warranty, the Glow-worm...

The Glow-worm Energy Regular is an energy-efficient heat-only boiler that is designed to suit most properties with high hot water demands. Glow-worm’s Energy Regular series includes five models, all of which have been developed to last longer and promise to lower...