Question
I have a hardie controller for my lawn sprinklers.  One section doesn't have enough pressure all of a sudden.  The others are fine.  when I manually run it with the bleeder it has great pressure.  Any suggestions to remedy this problem?

Answer
Hey Vard, it is the diaphram in the valve that needs to be replaced. Go to www.irrigationtutorials.com and this website will show you how to repplace the diaphram. Look at the valve and see what brand,model #, and size you have so you will know what diaphram to buy. Good luck and have a great day.