Set Appliance State:
Gas Off
Isolate Mains Power to appliance as per TOPs P4
Turn OFF Mains Water Supply
Turn OFF Mains Water Supply
Observation:
Remove and inspect the DHW flow valve piston and spring.
NOTE:
Flow valve piston is located in the top cover assembly of the flow valve, the control box will have to be lowered to permit access.
NOTE:
Flow valve piston is located in the top cover assembly of the flow valve, the control box will have to be lowered to permit access.
Isolate as per TOPs P4
and refit as necessary