3-way coupling 1"

The 3-way coupling piece can be screwed on top of a water pump's delivery connection, and is suitable to connect the following items: * Water pump * Expansion vessel * Hose / tube to the draw-off points The bottom of the 3-way coupling has a 1" screw coupling with a male (external) thread that can be connected to the water pump. The 1" screw couplings with a female (internal) thread on the top and on the side are used to connect it to the expansion vessel and to a hose / pipe that leads to the draw-off points.