Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Isolate and drain DHW circuit
Remove gas valve
Remove flow switch from its housing
Remove gas valve
Remove flow switch from its housing
Observation:
Remove the DHW filter / restrictor and check for any blockages or restrictions.
Note:
Ensure all gas valve joints are checked for tightness on reassembly.
Note:
Ensure all gas valve joints are checked for tightness on reassembly.
Isolate as per TOPs P4
and refit as necessary