Isolate Mains Power to appliance as per TOPs P4
Water inlet service valve OFF
CH flow and return isolating valves off, discharge and drain boiler
Filter is located in the hydroblock adjacent to the CH return
Water inlet service valve OFF
CH flow and return isolating valves off, discharge and drain boiler
Filter is located in the hydroblock adjacent to the CH return
Observation:
Inspect CH filter for blockage or damage.
