The 196.2700 Thermostatic valve features 3/4″ NPT connections and has 2 water outputs with only one output active at any given time. There are 3 settings or positions on the top handle of this product. They are as follows:

Position 1 – Output 1 Active
Position 2 – Output 2 Active
Position 0 – No Water Flow

The bottom handle sets the temperature. Please see specification sheet for water flow diagram for this product.