OwainDIYer

How to connect Vaillant Eco Tec Plus 832 H Combi A Boiler to nest 3rd gen.heat link?
Boiler Connections:
1. Live
2. Neutral
3. Earth
4. RT 1
5. 24Vdc 2
Alternative Boiler Connections:
1. Live
2. Neutral
3. Earth
4. RT 230Vac

Incoming Electric line:
1. Live
2. Neutral
3. Earth

Please provide me an installation diagram how to connect these wires?

I only needed to see one word on your helpful reply to convince me that the extractor needs to be ducted (ie COCKROACHS!!). Many thanks