1 9553 44 - for fastening nut of HERZ thermostatic heads DE LUXE. Threaded connection M 28 x 1.5. Standard length l = 21.7 mm.

1 9596 44 - for HERZ thermostatic head MINI. Threaded connection M 28 x 1.5. Standard length l = 17 mm.

1 9553 98 - Standard length l = 20 mm. Threaded connection M 30 x 1.5.

1 9598 44 - Long version l = 22.5 mm. Threaded connection M 30 x 1.5.

1 9597 44 - Short version l = 17 mm. Threaded connection M 30 x 1.5.

1 9599 44 - for HERZ thermostatic heads of series “D” with clip or snap fastener. Standard length l = 27.5 mm.