Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn off cold water inlet to boiler
Drain water as appropriate
Drain water as appropriate
Observation:
Remove DHW flow turbine assembly from boiler. The flow restrictor, if fitted, will be situated in between the top and bottom halves of the flow assembly. (The 2 halves can be separated by twisting them to release the securing lugs).
Inspect the assembly to ensure its clean and unrestricted, also check it contains the correct flow restrictor for the model.
Note:
The Riva Plus HE 28kw doesn't come with a flow restrictor factory fitted but may have been installed if the flow rate was too high.
Flow limiters are available in the following sizes:
Inspect the assembly to ensure its clean and unrestricted, also check it contains the correct flow restrictor for the model.
Note:
The Riva Plus HE 28kw doesn't come with a flow restrictor factory fitted but may have been installed if the flow rate was too high.
Flow limiters are available in the following sizes:
| Nominal Flow Rate | Colour | 10 | Blue |
| 12 | Red |
| 14 | Pink |
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