Mistral Sealed System Non-Condensing S1 20kW Oil Boiler
Typical Price (inc VAT)
£1,320
Typical installation Cost (inc VAT)*
£1000 - £1500
Sundries (Filter, Flue, etc)
£300
Total Cost
£2,620 - £3,120
| Make | Mistral |
| Model | Sealed System Non-Condensing S1 20kW Oil Boiler |
| Is Condensing | Non-Condensing |
| Efficiency Rating | 87% |
| Band Rating | B Rated |
| LPG Compatible | No |
| Standard Warranty | 2 yr. parts - 5 yr. heat exch |
| Central Heating Max. Output | 20kW |
| Mounting | Floor Standing |
| Flow Rate | N/A |
| Typical Price (inc VAT) | £1,320 |
| Typical installation Cost (inc VAT)* | £1000 - £1500 |
| Sundries (Filter, Flue, etc) | £300 |
| Total Cost | £2,620 - £3,120 |
| ERP Rating | B Heat |
* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.
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Product Description
The Sealed System S1 is a non-condensing, floor-standing oil boiler designed and manufactured by Mistral. Boasting a 93% efficiency and A rating, this is a highly efficient unit that could help to lower your energy bills.
This is a compact unit, measuring just 410mm wide, which means that it can nicely hidden away under a standard work surface. The output rating of 20kW makes it perfect for smaller homes that don’t have such a high demand for heating and hot water. Other outputs are available in the range, from 14kW up to 40kW, which means there’s a boiler to suit the demands of just about any home. You can also choose whether to have a condensing or non-condensing unit and whether you’d like it installed indoors or outdoors.
The S1 features a 12 litre expansion vessel, safety valve, pressure gauge, automatic air vent, high-quality white casing, a multi-directional flue outlet, pre-punched pipe entry points on both the side and back which allows for an easy and quick installation that can save you money. This unit also has a 2 or 4 port option, front servicing, conventional or balanced flue and can be used in tandem operations. All of these features make for a highly reliable unit that’s not going to let you down.
As this is a System boiler, it sends hot water to the radiators and a sealed hot water storage cylinder. The important parts of the system are built into the boiler which makes it more compact and easier to service.
Featuring a 5-year warranty, you’ll have the peace of mind that you’ll be well covered by the manufacturer long after installation.
The Sealed System S1 is a non-condensing, floor-standing oil boiler designed and manufactured by Mistral. Boasting a 93% efficiency and A rating, this is a highly efficient unit that could help to lower your energy bills.
This is a compact unit, measuring just 410mm wide, which means that it can nicely hidden away under a standard work surface. The output rating of 20kW makes it perfect for smaller homes that don’t have such a high demand for heating and hot water. Other outputs are available in the range, from 14kW up to 40kW, which means there’s a boiler to suit the demands of just about any home. You can also choose whether to have a condensing or non-condensing unit and whether you’d like it installed indoors or outdoors.
The S1 features a 12 litre expansion vessel, safety valve, pressure gauge, automatic air vent, high-quality white casing, a multi-directional flue outlet, pre-punched pipe entry points on both the side and back which allows for an easy and quick installation that can save you money. This unit also has a 2 or 4 port option, front servicing, conventional or balanced flue and can be used in tandem operations. All of these features make for a highly reliable unit that’s not going to let you down.
As this is a System boiler, it sends hot water to the radiators and a sealed hot water storage cylinder. The important parts of the system are built into the boiler which makes it more compact and easier to service.
Featuring a 5-year warranty, you’ll have the peace of mind that you’ll be well covered by the manufacturer long after installation.
Get your best deal
Quickly compare 3 FREE quotes
- Quotes from local engineers
- Get quotes today, installed tomorrow
- Finance options available
- Save up to £500 on installation
Get Quotes Now
It only takes 30 seconds
0330 808 0405
1,8 million quotes provided in 10 years
