Toro is a manufacturer of some very good products. I'm not an employee nor am I in any way associated with the Toro Corporation, or any other irrigation manufacturer's product, but thought that my two cents may be valuable.
Like RainBird or any number of other irrigation product manufacturers, Toro makes things for many companies at varying quality levels. Some carry the manufacturer name and some do not. Most of what you find at home centers is of lesser quality than what is commercially avaliable. Perhaps these are made overseas for a much cheaper overhead rate than their commercial products, though they still carry the name and logo. Why do companies manufacture top quality products and cheaper inferior products at the same time? The answer is quite simply MONEY. If they can install a quality system at a major sports park, for example, then the quality recognition for their product increases, and residential consumers generally won't pay the top dollar to get their best products.
Professionally I've installed Toro, Hunter and RainBird products, all of which are avaliable at local Depot type Home Centers, but the quality of the products is far superior if you go with professional installation. Most products they offer are mass produced with a margin of failed components factored in. Their main concern is not the repair of failed components, but rather is in the replacement of those components. Thus their parts avaliability is limited, though it is there if you look hard enough.