In the actual build i will be using gate valves, there just wasnt any models of the valves in the correct size and i didnt want to spend an hour drawing one!

__________________
View my Aquarium & Reef Controller build here:
The Ultimate DIY Aquarium Controller of the 21st Century!!!
LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more......