thanks for your answer - my questions was whether the male parts of the Grundfos will allow it to be removed from the arms attached to the manifold - as they can't bend upwards and downwards to give clearance
Hello, how do I best remove this Grundfos UPM 3 which is blocked please?
There is no give on the horizontal arms either side of it so I think I have to start dismantling more - but what's the "right way" to do it please?
thank you.
Last question - the Grundfos doesn't look like it will come out as there is no give in the horizontal pipes on the manifold. Any suggestions about the best way to remove it please?
I could end up dismantling everything!
Yes I can feel it engage, and depress the spring to engage. It doesn't want to turn anti clockwise and it feels like it's jumping out of the head so I don't want to continue and risk stripping it.
I've looked for videos to see if you can remove just the black "electronics" back part of the pump...
Good news: I jumped the grey and yellow/green in the Heatlink and the boiler fired. It also seems to have "unstuck" whatever electronic glitch had been happening and Nest 1 is now controlling the boiler again.
Bad news: the Grundfos is still stuck and short of swapping it out, I'm not sure what...
Thank you for your reply.
The Heatlink has an earth, brown and black coming into the junction block. I've looked at the Nest instructions but can't tell what should happen to these wires afterwards and how they should be linked to the zone valves and incoming 240v supply, so any advice would be...
The cold snap made me switch heating on for first time in 6 months which has caused 2 unrelated problems on a well maintained Worcester Bosch 38CDI. Grateful for any advice on:
1) boiler doesn't respond to Nest thermostat 1's call for heat, either wirelessly or on manual override next to the...
Hello, I need to cut 2m architraves lengthways after replacing a window, down the red lines as shown.
I have a jigsaw and mitre saw but can't see how to use either of these to get a perfectly straight cut.
How would a professional do this please?!