Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Check radiators, airing cupboard and pipework
Check manual and auto vents
Check manual and auto vents
Observation:
Is system full of water with air bled from radiators and system?
If the system is sealed is pressure on approx. 1bar and system free from air?
If the system is sealed is pressure on approx. 1bar and system free from air?