Harvia product compatibility list for electric heaters and control units
Find out which heater models and control units are compatible with each other, and which safety devices are required for the products.
Download: Compatibility list for electric heaters and control units
Worksheet version: 1.0 Updated: 05.2026
What is included?
- All the most common electric sauna heater models
- Power options (kW)
- Sauna room volume ranges (m³)
- Heater control types
- Control unit options for E-models
- Safety device options for remote use
- Preferred user groups
- IP ratings for control units
Good to know
- The product combinations in this list are suitable only for 3-phase (400V 3N~) installations! Not suitable for 1-phase (230V 1N~) installations.
- All 'Black Steel' heater models have the same technical specifications as the standard models. For this reason, they are not listed separately.
- E-model heaters: The heater and control unit are sold separately.
Choosing the correct product bundle: Three steps
Step 1 - Find the sauna heater specifications on the left side of the table.
Step 2 - Find the different control unit options (X) on the right side of the table. In the example shown below, there are three options. Choose one of them.
Optional Step 3 - Find compatible safety switch (required only for remote use). Please note that some heater models require two SFE safety switches.
Example of choosing a heater
- Selected heater model: Cilindro Pro PC100E/135E HPCE100400. Power options: 10 kW or 13,2 kW.
- Selected power option: 10 kW.
- Control unit options: FX110XC, FX170XC or C170VKK.
- Recommended option: FX110XC. Or choose the C170VKK if you need a week timer.
- Compatible safety switch model: SFE-D350
- Optional accessory. Required only for remote use.
Product combination: Cilindro Pro PC100E/135E + Fenix FX110XC + Safety switch SFE-D350.
Let's sauna