Do you have a question about the Saunier Duval THEMA F 23 E and is the answer not in the manual?
Technical data for heating output, efficiency, hot water, and system parameters.
Legal installation requirements and rear outlet flue connection.
Requirements for electrical supply, earthing, isolation, and external controls.
Procedures for filling the system and the first boiler startup.
Checking gas pressures and understanding safety devices like overheat and frost protection.
Adjusting gas valve, bypass, and configuring PCB settings.
Diagnostic chart for troubleshooting central heating operational issues.
Diagnostic charts for other faults and thermistor resistance data.
| Category | Boiler |
|---|---|
| Mounting | Wall-mounted |
| Heat Output | 23 kW |
| Ignition | Electronic |
| Dimensions (HxWxD) | 700 x 400 x 300 mm |
| Max Working Pressure | 3 bar |
| Fuel Type | Natural Gas / LPG |
| Efficiency | 90% |











