Yes you would have to buy 11 of the low
voltage boxes if you went that route.
SmartHome has 2 different boxes that you
can use. Item # 2320 - 16 relay latched
controller ($199.99), requires Item# 1135 -
2-way interface module ($24.99).
Item# 3124c - Rain8 Sprinkler controler w
Powerlinc interface. ($116.99) Note: this
will only control 8 zones.
The 2320 is only a latching controller (1-
way out unit) so if you want any sensors
you have to add additional hardware to
control that end of things.
Note: Due to the way AHP transmits commands
you have to place delays in any macros that
you create - If you have 2 zones programmed
to come on at the same time, only the
second zone will actually activate (place a
delay between the commands and things work
OK, even if the delay is only 0 seconds). I
am using 8 relay version of the 2320 and
that is the only problem I have
encountered - otherwise things are great.
Check out
http://www.smarthome.com - they
also have other items that may be of
interest to you. GOOD LUCK