What type of connection is this?

[gb17342]

Anyone know what you call this connection? It comes off lead pipe on to 22mm plastic pipe. It's got a slight leak I need to replace, any idea what size the lead pipe would be? 25mm?

 

[Plumb]

One from this range from Plassons....https://www.plasson.co.uk/downloads/action/show_file/f/195

Philmac very similar...https://www.plasson.co.uk/downloads/action/show_file/f/195

 

[Plumb]

Oops, both links the same. Here's the Philmac home page....https://www.philmacinc.com/

 

[gb17342]

Oops, both links the same. Here's the Philmac home page....https://www.philmacinc.com/

Thank you that was very helpful, I managed to find a Plassons coupler locally