Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove Impulse Tube from Gas Valve and Boiler Chassis
Observation:
Visually inspect the tube for splits and blockages.
Visually inspect where the tube connects to the chassis and gas valve to ensure they are also clear.
Visually inspect where the tube connects to the chassis and gas valve to ensure they are also clear.
Isolate as per TOPs P4
and refit as necessary