Search Results for: glowworm

The Glowworm F22 fault code shows low water pressure in your heating system. Your boiler needs the right pressure to circulate hot water. When pressure drops too low, the system stops working and displays the F22 error. In most cases, this happens due to a leak in the pipework or a gradual loss of pressure…

If your Glowworm boiler shows the F13 fault code, your heating system will stop working. This issue often leaves you without hot water or heating. You need to act fast to avoid bigger repair costs. In this guide, you will learn what the glowworm F13 fault code means, what causes it, and how to fix…