ZEHNDER Zehnder Connection Valve Set U M30x1.5 Angled or Straight, White – 839171

Swivelling design for optional connection from/to bottom or from/to rear, for one- and two-pipe systems (connection dimension 50 mm), rotatable, i.e. valve or flow selectable right or left (flow on valve side), valve body with pre-adjustable valve insert (preset 1-7) and thermostat thread connection M 30 x 1.5; flow/return shut-off, connection fitting set to two-pipe operation, convertible to one-pipe operation by opening the bypass screw concealed on the return; includes 2 x 3/4" union nut Eurocone Ø 16.8 mm in the surface colour of the valve body as transition to the pipe, 1/2" transition to the radiator in chrome