Isolate Mains Power to appliance as per TOPs P4
Isolate flow and return valves
Appliance discharged and drained
Isolate flow and return valves
Appliance discharged and drained
Observation:
Check bypass tube for kinks and or blockage.
BYPASS
Note:
Bypass is the armoured tube running between the flow and the return behind the electrical box
Bypass is the armoured tube running between the flow and the return behind the electrical box