Quote Originally Posted by eurikain View Post
Looks really nice, great job ! I ended up filling the inside with silicone, though know it was not necessary, but I'm just too worried about the sealing.. this way I'm sure it's all sealed properly. I made sure nothing was getting in the water circuit by putting some perfectly sized metal stems in it.

Just letting it dry for the moment (24 hours recommended).
What do you mean filling the inside up with silicone and what are the metal stems. There should be two O-rings to seal the water ways.