F2. Flame loss Check the other gas appliances in the house are working to confirm a gas supply is present on the property. If the other...

F1Low water pressure Check the system water pressure is set between 1 and 1.5 bar on the pressure gauge. To re-pressurise the system...

!st October 2022 What type of carbon monoxide alarm is required? The regulations do not stipulate the type of alarms (such as mains...