Downpipe : how to insert new branch

[rideforever]

Sorry newbie.

I have a 68mm downpipe and need to insert a new branch into it from a victorian bay roof coming down through a swanneck.

Not sure how I can do insert the branch into the downpipe, if I cut open the downpipe and remove a couple of inches, then how can I insert the branch into it, unless I bend the downpipe a hell of a lot ? Doesn't seem possible.

If i cut a lot off the downpipe in order to give more room to shove it in, then the joints with the branch will be small.

Is there something I am missing ?!

 

[bernardgreen]

You need a strap on boss

https://www.screwfix.com/p/floplast-sp319g-strap-boss-grey-110mm/93635

and how to do it

 

[rideforever]

Okay, wouldn't it be easier to cut a large section of downipe, plumb in a normal y junction in there receiving the swanneck from above, and then you will have to repair the downpipe which will basically have a joint, meaning you have a downpipe with a horizontal cut straight through it, which needs some form of sleeve ??? ?

How can you repair that ? Would that repair be simpler than a strap on boss ?

 

[rideforever]

Here's a photo. The rusty old Y junction is cracked and the plastic pipe below is cracked, so basically going to remove everything except the corner hopper which stays. And then replace.

What's the best plan of action ?

Cheers

 

[HERTS P&D]

You need a strap on boss

https://www.screwfix.com/p/floplast-sp319g-strap-boss-grey-110mm/93635

and how to do it

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Not in hells chance would that work/fit.


Andy

 

[bernardgreen]

Not in hells chance would that work/fit.

Agree my error. wrong size and having now seen the photo a strap on would be difficult to fit.

 

[rideforever]

Possibly dismantling the bottom of the downpipe would allow some room to play with.