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Hi all, I'm fitting a big fat aluminium 3.4kW radiator. It's on the end of a very long system, which is piped 35, 22 and then 15mm for the last 5m. The old two radiators it's replacing barely got enough flow, until I fitted a big pump and turned it up so the system was a bit noisy. So now...

Hi everyone. I'm fitting a CH towel rail, with an elbow angle adapter to take an electric element as well as the water. There's no taper on the thread, so the adapter screws in until the thread ends. At that point, the pipe connection is pointing out into the room, which is no good of course...

Hi, I'm redoing an ensuite and ideally would fit a corner toilet. It's on an outside wall but there's an existing 4" waste 500mm along the wall from the corner, inside. Do you think it's viable to connect to that existing waste using a flexi waste and angles, inside? Or using a 45 degrees and...

Goo In Pipe by Nigel R posted 14 Sep 2021 at 4:16 PMHi, I'm part way through having a boiler installed, and in a main valve and another compression joint my heating engineer has used a LOT of green goo that I think must be Boss Supergreen. There are gobs of it inside the ends of the pipe and in...

Morning. I have this connection to make, between 35mm copper pipe and a big Grundfos pump. The official Grundfos connector is this iron 1/14 bsp female. The brass adapter I've got screws in, too tight to do by hand but smoothly with a spanner. There's no mating face though, and it's a...

I have a large closed system with 29 rads over 3 floors plus cellar, total dissipation 38kW, what would you suggest for a pressure vessel? It's a heat-only boiler with a 300l megaflow hw tank. The boilers coming out have been fine for pressure with only their built in 20 litres, but they may...

Hi all. I've moved into a 3-storey house, with the highest radiator 8m above the boilers. There are 30 radiators including towel rails, served by two 28kW Vaillant 628e boilers connected in parallel, i.e. each across the return to the flow. They're system boilers each with a standard pump that...