Automatic vent valve - with check valve (3/8"; set)

AUTOMATIC VENT VALVE AND CHECK VALVE IVAR.KIT ROBOCAL PN 10, T = +115 °C, max. discharge pressure 4 bar IVAR.ROBOCAL 5024 - without non-return valve IVAR.ROBOCAL ZK 561 - check valve for IVAR.ROBOCAL 5024 IVAR.KIT ROBOCAL - with non-return valve material brass CW617N, plastic