Radiator connection G ½“ with O-ring, freely-rotating union nut to the valve, pipe connection male thread M 22 x 1.5 with cone.
| Code | Description |
|
|---|---|---|
| S 3738 41 | HERZ reverse angle return valve design, white |
|
| S 3738 44 | HERZ reverse angle return valve design, chrome |
|