<i></i><font face="Comic Sans MS"></font id="Comic Sans MS"><font size="4"></font id="size4"><font color="maroon"></font id="maroon"> I need to replace a cracked Toro 6" fixed spray, side inlet, 570series sprinkler. Is the 570Z series the same model or is it different? If it is different, where can I purchase the model that I need? Many thanks for any help you can provide. I am new to this stuff. My system was installed by someone else.