Radiator connection with cone. Universal models with special socket for threaded pipe and compression adapter connection.
| Code | Description |
|
|---|---|---|
| 1 3723 40 | HERZ-RL-1 return valve - straight model 3/8 |
|
| 1 3723 41 | HERZ-RL-1 return valve - straight model 1/2 |
|
| 1 3723 42 | HERZ-RL-1 return valve - straight model 3/4 |
|