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It is part of the main drain to the property, The down pipe for the gutter is off to the left, the kitchen waste also goes into that down pipe. The rest of the house's waste pipes also join at another gully drain, about 2m to the left of the one shown, then it all goes into the one shown, and...

A couple of pics with more in field of view, can see the step and vertical drain. Tbh the render didn't go on as well as I'd hoped, so will need painted with a lime paint.

Sorry, was late. Floor is solid, looks like a dpm on it. CI pipe goes underground then joins a vertical ground drain about 1.5m away. I.e I can pour water into top of pipe and see it flowing into vertical drain. There is a manhole a further 2m away, but the drain pipe (now whole house) is covered.

Thanks for your reply Bob, The pipe is an old soil pipe I guess, there's no gutter attached and it goes above the roofline like a vent, no idea what it was originally for. The grey pipe connecting to it is a lagged condensate pipe from the boiler. That's the only connection now. I can...

We've had a problem with damp in our kitchen cupboards since we moved in. Only against one of the external walls. This is a single story outshoot from a sandstone building (I would say extension, but all the houses have them so I suspect they were built with them) The outshoot is brick and...

Quick update, Bridged the vent and feed pipes. Problem solved. Comes back if the pump is set to 3, but it's fine on setting 1. Thanks for your help.

Already done. Magna clean picked up a lot of gunk, Also radiators now working better than they have in a while. Unfortunately, X400 doesn't help in my feed pipe if that has a partial block.

So pumping over happened before ball valve change, In an effort to reduce this I changed the ball valve to lower the water level in the tank. Looks like I haven't lowered it enough. I think the pumping over probably started when the boiler was changed (before I bought the place) to one with...

The pt 1 ball valve had the water level set so it was dribbling out of the overflow

Depth in f+e tank is 15cm If I was to link the feed and Vent, where would I do it, as close as possible to the tank? Are there any issues with doing this? I guess the feed and vent pipe were separate for a reason, is this so you can put a valve on the feed or because the gunk is likely to...

well this is embarrassing, added some pi and updated the maths.

I was thinking that the manifold idea, might be a good option. Edit: Dammit forgot about the pi(e), long day... Quick bit of maths (updated) : 22mm -> 3.1 ml/cm 42mm -> 12.5 ml/cm 54mm -> 21 ml/cm so a 4 x manifold in 22mm by 15cm should be plenty

I replaced the old pt1 ball valve with a pt2, but it's already at it's lowest setting. Although I think I could eke out another few cms, if I spun the ball so it wasn't under the arm. How much water is required in the tank when cold?

Those radiator tails (screwfix) are also extendable, i.e. they slide in an out, useful for changing old imperial rads for metric ones and lining up to the existing pipework. This means there is another seal (probably o-ring) inside the tail. I've just fitted a couple and they are working fine...

Hello, I have an open vented central heating system with an un-vented hot water cylinder. It is laid out in standard S-plan with 2 zone valves, one for hot water, one for Central heating. Hot water is 15mm from the zone valve central heating is 22mm from the zone valve, but 15mm to each...