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I have a firebird 70 oil combi boiler. One of the valves/tap was leaking yesterday (see pic) and local plumber replaced the valve. But now I have this odd whirring/siren type noise when the hot water is run, and I also think the flow is down aswell. Have put my ear up to areas inside the boiler...

Thanks again :) yup the boiler timer is always on override and the old Robus stat was my switch. I’ll do the same with the nest many thanks again :)

Thank you, thought so. Just to reclarify. Wire Nest 2 to 1 on the boiler junction box, and Nest 3 to 2 on the boiler junction box? (Boiler 1 went to old stat 2 and Boiler 2 went to old stat 3) I can then use the redundant black and grey wire of the old stat to wire into nest T1 & T2 to wall...

I’ve used multi meter. Black wire from “Room stat” on boiler goes to T3 on Robus. And Grey wire from boiler “Room Stat” goes to Robus T2

I have a Firebird Combi 90 oil boiler, and Robus RRF10 stat. I’ve just acquired a Nest gen 3 thermostat. Can I connect this to my current setup and remove the Robus? I can connect the Next link box to the permanent live and neutral on the right of the combi electrics box. Im not sure where the...

Thanks both. That defined edge on the outer wall could be staining from the black mould. It was going that far down, and ive wiped it all off. The patch on the wall at the top near the slope which has black/dark areas which was wet this morning. Its darker as the paint has crackled and the...

Heres a pic of the offending corner:

Thanks Woody It hasnt rained the last two days, so I am thinking too its condensation. Will set up the oil heater by the wall again to dry it and then keep window open and see if it shows again.

Thanks for your replies both. Notch7, the damp is around the window reveal (if I got the term reveal correct). Its not serious, wipe down with dry cloth and it all comes off. And probably takes a good year for it to come back, but it is very light. I have noticed the sealant outside the window...

In our bedroom at a top corner we have damp. The wall is a mix of outside wall one side and adjoining property the other. The ceiling seems dry. There was dark mould appearing which we thought was ventilation problem as the pvc window doesnt have a vent sash. We get dark mould around the window...