Cut a section out and use slip couplings to repair it, the idea being that the couplers can be slipped the whole length along the pipe, you then line pipe ends up and pull coupler halfway up so it joins both ends. Then solder up.
Have you fallen out with your neighbour for any reason, and feel the need to have a go at them?
The plume kit is fine, as said above, however, it looks closer than regs permit to the vent, others may disagree.
New build house builders love throwing in Logic ESP 35 boilers, they must get them dirt cheap from Ideal.
Half the time, they're grossly overpowered for the house.
I'd be curious to know why.
I don't see how the orientation of the vessel will affect its performance, given that part of it contains water, and part of it contains air.
I'm going to bet a virtual £ that somewhere under the flooring, a flow is mistakenly plumbed into a return, as per my previous post.
Please let us know, so that I can give you details of my virtual crypto account for my virtual £.