| Model | Netherlands ISDE solar water heaters |
|---|---|
| 300-3f-slm Solar water heater | Listed since at least 12 Oct 2026 |
| 512-4f-slm Solar water heater | Listed since at least 12 Oct 2026 |
| 820-4f-slm Solar water heater | Listed since at least 12 Oct 2026 |
"Since at least" means the line was already on the list when our record of it began. Names can be printed differently on each list; a model missing from a column may be listed under another spelling. Report a problem
Changes to Solmax/ Hewalex lines
Our record of Solmax/ Hewalex lines began on 12 Oct 2026. Nothing has changed since. The lists are checked every morning, and any change appears here the same day.
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