Vaillant ecoTEC plus 831

Description
The Vaillant ecoTec plus 831 is a wall mounted combination condensing boiler. This high-efficiency unit is suitable for open vent and sealed systems.
Price Range
£1500 – £1250![]()
Pros
- LPG convertible
- SEDBUK A rated
- Built in expansion vessel of 10 litres
- Compact size and shape
- Suitable for vented and unvented cylinders.
Cons
- Clock/timer is optional and does not come standard.
Specifications
| Type: | Combination |
| Output: | 24 kW |
| Hot Water Flow Rate (L/min): | 12 |
| Clock/Timer: | Optional |
| Sedbuk Energy Efficiency Category: | A rated |
| Size (cm): | 72 x 44 x 30 |
| LPG Convertible: | Yes |
BUYability Favourite Features
The Vaillant ecoTec plus 831 is engineered with the unit’s main system components built in. This means built in pump, expansion vessel, automatic air vent and bypass, and frost thermostat.
BUYability Ratings
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BUYability Rating ![]()
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The Vaillant ecoTec plus 831 an elite model with the features and dependability you expect from Vaillant.
Boiler Output Choices
| Model | Output | Typically Suitable for |
| ecoTEC plus 824 | 6.7 – 19.0kW | Small Flat |
| ecoTEC plus 831 | 8.7 – 24.0kW | Small House |
| ecoTEC plus 837 | 12.0 – 28.0kW | 3 Bed Detached |
| ecoTEC plus 937 | 12.0 – 28.0kW | 4-5 Bed Detached |
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