I show you a very quick safe, clean and easy way to heat out a PVC pipe from an elbow. See links Below
To see a complex heat out view this video, the plastic was different and it took a lot to get the pipe out and I then had to reshape the pipe socket.    • Repairing broken sand filter laterals...  
**Purchase Heat Guns in the US.
Good basic unit: https://amzn.to/2F2CrVe
Professional unit: https://amzn.to/2JHIRYr

To buy new Swimming Pool Equipment
Mark runs PoolnSpa Supplies Australia he sells Pool n Spa equipment Australia wide.
So if you need a New Pump or Parts for your Spa or Pool at a good price. Contact him at PoolnSpa.net
The distinctive of PoolnSpa Supplies Australia is that you always just speak to industry professionals so we ensure you get the right equipment every time.

Affiliate links USA & World:
Amazon US (Ships Worldwide)
Hayward Tri Star VS: https://amzn.to/2TzrH3A
Hayward Super Pump VS: https://amzn.to/2FOWA1t
Hayward MaxFlo VS: https://amzn.to/2FDIcZM
Hayward EcoStar VS: https://amzn.to/2S3k8AG
Pentair Variable Speed Pump: https://amzn.to/2LJ0rzO

Hayward MaxFlo Single Speed Pumps: https://amzn.to/2TB32vF
These are the less expensive version like the PowerFlo in Australia

Hayward SuperPump Single Speed Pumps: https://amzn.to/2OXS1kz
These are the better pumps, with larger Flo Rates