| 1. Membrane glands | String | X | |||
| 2. With terminal block | String | ↑ | X | ||
| 3. Removable cover | String | ↑ | X |
| 1. Spring/ring diameter | String | X | |||
| 2. Cover density | String | ↑ | X | ||
| 3. Spine thickness | String | ↑ | X | ||
| 4. Block Format | String | ↑ | X | ||
| 5. Spring pitch | String | ↑ | X |
| 1. Lamination type | String | X |
| 1. For water supply | String | X | |||
| 2. For DHW | String | ↑ | X | ||
| 3. For heating | String | ↑ | X | ||
| 4. Automation kit | String | ↑ | X | ||
| 5. Flange material | String | ↑ | X |