https://youtube.com/watch?v=LJCUEvhQVmY
Derek in this short video shows us how to put different models of Glow worm boilers in to service mode, chimney sweep mode or high and low fire.
https://youtube.com/watch?v=LJCUEvhQVmY
Derek in this short video shows us how to put different models of Glow worm boilers in to service mode, chimney sweep mode or high and low fire.