Do you have a question about the Saunier Duval THELIA 23 and is the answer not in the manual?
Instructions for water, safety valve, and gas pipe connections.
Minimum dimensions for flue terminal placement.
Statutory requirements and general installation guidelines.
Instructions for cutting the flue hole and calculating pipe lengths.
Step-by-step guide for installing the flue assembly.
Calculation of flue lengths and installation for top outlet.
Essential safety warnings and wiring guidelines for the boiler.
Procedures for gas purging, system filling, and initial checks.
Steps for starting the boiler and verifying gas pressures.
Explanation of safety devices and actions for faults.
| Output Power | 23 kW |
|---|---|
| Efficiency | A-rated |
| Fuel Type | Natural gas |
| Dimensions (H x W x D) | 740 x 400 x 340 mm |
| Weight | 34 kg |
| DHW Output (kW) | 23 kW |
| Fuel | Natural Gas / LPG |
| Max working pressure | 3 bar |
| NOx emissions | Class 5 |
| Mounting | Wall-mounted |
| Boiler Type | Combi |
| Type | Wall-mounted condensing boiler |











