u/Honest-Credit4764

Vaillant Boiler leak

Vaillant Boiler leak

I have a very slow leak coming from this grey plastic. I usually notice a small puddle of water on the floor every few days ? Any ideas what it could be or how to resolve this? Boiler gets a yearly service and is pretty new <5years old.

u/Honest-Credit4764 — 10 hours ago