Drain valve with adjusting screw that when turned draws in air from the side to reduce the underpressure. The fine adjustments are possible when the adjusting screw's thread is sealed in addition with Teflon® tape.
Material: Brass
Working temperature max.: 90 °C
Connection: G 1/4 (Ø external thread*: 13.2 mm)
Please order T screwed socket and brass bushing separately
* BSP (British Standard Pipe)