| DeltaSol®/DeltaTherm® | Biomass/SFB | Solar thermal | Heating circuit(s) | Electric immersion heaters | Heat pump demand/control | Optional functions |
|---|---|---|---|---|---|---|
| FK | ![]() |
- | - | - | ![]() |
- |
| CS Plus, SLL, SL, BX | + Ret. mixer (with EM Extension module) |
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- | - | ![]() |
- |
| BX Plus | + Ret. mixer |
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- | - | ![]() |
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| HC MAX, HC Plus | + Ret. mixer |
- | ![]() |
- | ![]() |
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| MX, MX Plus | + Ret. mixer |
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- | ![]() |
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| PV MAX | + Ret. mixer(with EM Extension module) |
- | from version 2 |
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