Vasoflex S - Boiler Baxi - Free user manual and instructions
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| Product Type | Gas Combination Boiler |
| Brand | Baxi |
| Model | Vasoflex S |
| Height | 700 mm |
| Width | 395 mm |
| Depth | 295 mm |
| Net Weight | 30 kg |
| Power Supply | 230 V / 50 Hz |
| Maximum Heating Output (Pmax) | 24 kW |
| Minimum Heating Output (Pmin) | 9 kW |
| Maximum DHW Output | 28 kW |
| Energy Efficiency Class (Heating) | A |
| Energy Efficiency Class (Water Heating) | A |
| Seasonal Space Heating Efficiency | 92% |
| Water Heating Efficiency | 85% |
| NOx Class | 6 |
| Expansion Vessel Capacity | 8 L |
| Maximum Heating System Pressure | 3 bar |
| DHW Flow Rate (ΔT=30°C) | 13.5 L/min |
| Gas Type | Natural Gas (G20) / LPG (G31) |
| Flue Type | Room sealed, horizontal or vertical |
| Maintenance Interval | Annual service recommended |
| Spare Parts Availability | Available from Baxi distributors |
| Repairability Index | 8.5 / 10 |
Frequently Asked Questions - Vasoflex S Baxi
What is the warranty period for the Baxi Vasoflex S boiler?
The Baxi Vasoflex S typically comes with a 2-year standard warranty. Extended warranties may be available through registration or purchase.
How do I reset my Baxi Vasoflex S boiler?
Press and hold the reset button on the control panel for about 3 seconds until the boiler restarts. Ensure the boiler has cooled down before resetting.
What does the error code E110 mean on my Baxi Vasoflex S?
Error E110 indicates a flame detection fault. Check the gas supply, ignition electrode, and flame sensing electrode. Contact a Gas Safe engineer if the issue persists.
How often should I service my Baxi Vasoflex S boiler?
It is recommended to service the boiler annually by a qualified Gas Safe registered engineer to ensure efficient and safe operation.
Can the Baxi Vasoflex S be installed in a bathroom?
The boiler has an IPX4D rating, allowing installation in a bathroom outside of zones 0, 1, and 2. However, local regulations must be followed.
What is the maximum length for the flue on the Baxi Vasoflex S?
For horizontal flues, the maximum length is 10 meters. For vertical flues, it is 12 meters. Each bend reduces the maximum length.
How do I adjust the water pressure in my Baxi Vasoflex S?
Use the filling loop to increase pressure (1-1.5 bar when cold). To decrease, bleed radiators or use the pressure relief valve. Never exceed 3 bar.
Why is my Baxi Vasoflex S making a banging noise?
A banging noise often indicates kettling due to limescale or sludge buildup. A system flush or descaling may be required. Consult an engineer.
Does the Baxi Vasoflex S support smart thermostats?
Yes, it is compatible with Baxi's smart controls and most third-party thermostats using OpenTherm or on/off connections.
What type of gas does the Baxi Vasoflex S use?
The boiler is factory-set for Natural Gas (G20) but can be converted to LPG (G31) with a conversion kit.
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USER MANUAL Vasoflex S Baxi
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