Spray Heads HOW TO CHANGE THE NOZZLE ‘1. Veniremen id nozzle: 2. Remove the filter screen below he novae, 3. Insert nsw filter scream. 4 Thread new nozzle an and turn clockwise until fight. HOW TO ADJUST THE WATERING DIRECTION Once the spray head Is installed in your system, the stem can be plated by hand to aim the spray pattern in ihe desired watering direction. HOW T0 ADJUST THE SPRAY DISTANCE 1. Turn the center screw with a small fiat screwdriver.