Removing broken 22mm waste pipe from elbow joint

[rosedani]

Hi All,

I'm about to install a new Macerator unit in a downstairs cloakroom and was planning on using the waste pipe from the previous unit. The problem is the old UPVC 22mm has broken off inside the elbow joint that goes into the wall.

Does anyone know the best way to remove the broken part of the 22mm pipe without damaging the existing elbow joint? I'd rather not have to dig out the wall to replace the whole section.

Pic attached to show how the pipe has broken.
Thanks in advance for any advice!
Dan

 

[ShaunCorbs]

dremel and a cutting bur

Amazon.co.uk

to get most of the old pipe out being careful not to go to deep / past the pipe into the fitting and then finish off with this

Rotary Flap Wheel Sander (60# 30X10X3): Amazon.co.uk: DIY & Tools

Shop Rotary Flap Wheel Sander (60# 30X10X3). Free delivery on eligible orders of £20 or more.

www.amazon.co.uk

 

[rpm]

1. Does the new one discharge through 22mm as many don`t.
2. Hot air gun has been known to work.
3. If it broke very easily then I advise replacing the pipe run completly.

 

[ShaunCorbs]

Looks like 32mm to me

 

[rpm]

Looks like 32mm to me

Did wonder why you linked to the 30mm flap wheel

 

[rosedani]

Thanks for the suggestions all, in the end I heated up a 19mm socket wrench bit with a heat gun, held it inside the elbow joint for a minute which enabled me to pull the old broken pipe out of the joint with some needle pliers.

Worked really well and has left a clean surface for me to attach a new piece of 22mm pipe into the joint!