Find out the new revolving air vent valve, assembled with the pre-assembled manifolds art. 917DE - 920MO - 922MO
The pre-assembled manifolds, art. 917DE - 920MO - 922MO, will be assembled with the new revolving air vent valve art. 194O replacing the old valve art. 194.
An easier operativity with ours pre-assembled manifolds is possible thanks to the 360° revolving cap.