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    Balancing question

    So it might be a dodgy batch of TRVs?
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    Balancing question

    I understand what you are saying but - how does the TRV throttle the system if it is set to maximum and the room temp isn’t warm enough?
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    Balancing question

    Hi I have a recently installed system boiler (Worcester Bosch) When I remove the heads from the TRVs I can get all of the radiators balanced with a 12 degree drop between flow and return - I know some may disagree with the 12 degree drop but my common sense logic tells me that whilst it may be...
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    Nest S plan wiring using Wago wiring centre

    How would I know if my boiler has pump overrun? It’s a brand new Worcester green star 4000 24kw system boiler
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    Nest S plan wiring using Wago wiring centre

    So if I am understanding correctly….. Neutral live and earth from fused spur into wiring centre Neutral and live for boiler from neutral and live in wiring centre plus earth if required Link wire removed from boiler (as per manual) T1 and T2 wired to two core and onto thermostat 12v...
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    Nest S plan wiring using Wago wiring centre

    So am I better off wiring the heatlink through the wiring centre or straight to the heatlink?
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    Nest S plan wiring using Wago wiring centre

    Hi, I am in the middle of having a new heating system installed There will be a new 2 core cable ran for the nest heatlink which will be hard wired to the thermostat on terminals t1 and t2 Being an S plan system there are two valves - one for CH and one for HW There is a newly installed fused...
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    Uneven walls (again.....)

    I am planning on redoing the bathroom. Currently the walls are tiled 2/3 of the way up and painted with bath room paint for the other 3rd. If I take the current tiles off, the masonry walls for the bottom 2/3 will be very uneven. I was thinking of lining the room with aqua panel to give a nice...
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    Combi boiler, thermostat swap and wiring

    Hi, I can get a Honeywell CM907 from my local supplier but it says "volt free connections" would this still be suitable with my current wiring? Many thanks Mike
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    Combi boiler, thermostat swap and wiring

    Thank you for your replies It's a main eco 25 combi
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    Combi boiler, thermostat swap and wiring

    Hi, In my current CH set up I have a combi boiler in the garage, with a manual dial type timer attached to the combi. Currently I set the timer to constantly on, with the thermostat in the hallway controlling the temperature (don't use the timer at all) . I would like to swap the thermostat...
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    Damp patch on EXTERIOR cavity wall

    So on further inspection the cavity seems dry Strange that the exterior bricks look damp
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    Damp patch on EXTERIOR cavity wall

    I have borrowed an inspection camera for this afternoon so will remove a brick and have a look around My "hopper" that takes my rainwater away (and bath water) goes into a gully through the grid and the bottom of the drainpipe finishes in the water rather than above it Would it make any...
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    Damp patch on EXTERIOR cavity wall

    Its a gabled roof, no insulation in the cavity Hope that helps
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    Damp patch on EXTERIOR cavity wall

    Thank you for that info Seems weird the patch is still growing, even after dry weather Also I don't know if its relevant but my roof is just tiled, no felt
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    Damp patch on EXTERIOR cavity wall

    It now hasn't rained for two days and the patch is getting bigger Maybe bath waste pipe leaking into cavity? Seems strange as hasn't been disturbed
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