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Excellent 4.7 out of 5
Excellent 4.7 out of 5

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Mistral Sealed System S2 26kW Oil Boiler

Mistral Sealed System S2 26kW Oil Boiler Boiler
Typical Price (inc VAT)
£1380
Typical installation Cost (inc VAT)*
£500 - £1,000
Total Cost
£1,880 - £2,380

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Make Mistral
Model Sealed System S2 26kW 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
kW Options 26kW
Mounting Floor Standing
Flow Rate N/A
Typical Price (inc VAT) £1380
Typical installation Cost (inc VAT)* £500 - £1,000
Total Cost £1,880 - £2,380
ERP Rating B Heat

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Product Description

The Sealed System S2 is a non-condensing, floor-standing oil boiler that’s been designed and manufactured by Mistral. Housed in a high-quality white casing, this is a compact unit, measuring at only 410mm wide, that can be neatly tucked under a work surface with ease.

This is a highly efficient unit, with an efficiency rating of 93% and A rating. With an output rating of 26kW, this System boiler is perfectly suited to smaller homes with one bathroom that don’t have such a high demand for heating and hot water. If you have a higher demand for heating and hot water, you’ll need a bigger output, which you can find within this range as 15kW to 41kW outputs are also available. You get a lot of choice with the boilers in this range as there are condensing and non-condensing options as well as internal and external units.

There are many features in this unit, including a pre-installed water heating system, circulating pump, 12 litre expansion vessel, safety valve, pressure gauge, automatic air vent and pre-punched pipe entry points that can be positioned at the side and back helping to allow for a quick and easy installation. Also included is a 2 or 4 port option, front servicing, conventional or balanced flues, a pre-punched pipe access point and it can be used in tandem option.

As this is a System boiler, it directly heats your central heating system and hot water for a storage cylinder. Most of the important parts of the hot water and heating system, such as the pump and expansion vessel, are built-in, making it quicker and cleaner to install. You’ll also get a fast response to demand for heating and hot water, plus, you don't need to have a feed and expansion tank in the loft.

This highly reliable unit comes with a 5 year warranty, so you can trust that this boiler isn’t going to be letting you down.

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* 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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Mistral Sealed System S2 26kW Oil Boiler Boiler

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Mistral Sealed System S2 26kW Oil Boiler
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Mistral Combi Standard CC1 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £1,920 VIEW
Mistral Combi Standard CC2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £1,980 VIEW
Mistral Combi Standard CC3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Combi Plus CC4+ 41kW Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £2,700 VIEW
Mistral Mega Combi Plus CMC5+ 50kW Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £3,660 VIEW
Mistral Mega Combi Plus CMC7+ 68kW Oil Boiler 70kw 90% 2 yr. parts - 5 yr. heat exch £4,020 VIEW
Mistral Mega Combi Plus CMC6+ 58kW Oil Boiler 58kw 90% 5 years £3,840 VIEW
Mistral Sealed System CS1 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £2,300 VIEW
Mistral Sealed System CS2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £2,370 VIEW
Mistral Combi Standard C1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,800 VIEW
Mistral Combi Standard C2 26kW Combi Oil Boiler 26kw 87% 5 years £1,860 VIEW
Mistral Combi Standard C3 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1,950 VIEW
Mistral Sealed System S1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,320 VIEW
Mistral Sealed System S2 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1,380 VIEW
Mistral Sealed System S3 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1,500 VIEW
Mistral Sealed System S4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £1,680 VIEW
Mistral Combi Standard CC4 41kW Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £2,400 VIEW
Mistral Mega Combi Standard CMC6 58kW Oil Boiler 58kw 90% 2 yr. parts - 5 yr. heat exch £3,540 VIEW
Mistral Combi Standard C4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Kitchen Utility Classic KUT1 20kW Regular Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,078 VIEW
Mistral Kitchen Utility Classic KUT2 26kW Regular Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1,139 VIEW
Mistral Kitchen Utility Classic KUT3 35kW Regular Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1,290 VIEW
Mistral Kitchen Utility Classic KUT4 41kW Regular Oil Boiler -41kw 87% 2 yr. parts - 5 yr. heat exch £1,440 VIEW
Mistral Kitchen Utility Classic KUT5 50kW Regular Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £1,620 VIEW
Mistral Kitchen Utility Classic KUT6 58kW Regular Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £1,800 VIEW
Mistral Kitchen Utility Classic KUT7 68kW Regular Oil Boiler 68kw 86% 2 yr. parts - 5 yr. heat exch £1,920 VIEW
Mistral Mega Combi Standard MC5 50kW Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £2,880 VIEW
Mistral Mega Combi Standard MC6 58kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,120 VIEW
Mistral Mega Combi Stard MC7 68kW Oil Boiler 68kw 86% 2 yr. parts - 5 yr. heat exch £3,240 VIEW
Mistral Combi Plus C1+ 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £2,100 VIEW
Mistral Combi Plus C2+ 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Combi Plus C3+ 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £2,250 VIEW
Mistral Combi Plus C4+ 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £2,520 VIEW
Mistral Mega Combi Plus MC5+ 50kW Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £2,880 VIEW
Mistral Mega Combi Plus MC6+ 58kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,420 VIEW
Mistral Mega Combi Plus MC7+ 68kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,540 VIEW
Mistral Boiler House Classic BH1 20kW Regular Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,078 VIEW
Mistral Boiler House Classic BH2 26kW Regular Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1,138 VIEW
Mistral Boiler House Classic BH3 35kW Regular Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1,275 VIEW
Mistral Boiler House Classic BH4 41kW Regular Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £1,440 VIEW
Mistral Boiler House BH5 50kW Regular Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £1,620 VIEW
Mistral Boiler House BH6 58kW Regular Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £1,800 VIEW
Mistral Boiler House BH7 68kW Regular Oil Boiler 68kw 86% 2 yr. parts - 5 yr. heat exch £1,920 VIEW
Mistral Outdoor Utility Standard OD1 20kW Regular Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,260 VIEW
Mistral Outdoor Utility Standard OD2 26kW Regular Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1,320 VIEW
Mistral Outdoor Utility Standard OD4 41kW Regular Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £1,620 VIEW
Mistral Outdoor Utility OD5 50kW Regular Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £1,800 VIEW
Mistral Outdoor Utility OD6 58kW Regular Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £1,920 VIEW
Mistral Outdoor Utility OD7 68kW Regular Oil Boiler 68kw 86% 2 yr. parts - 5 yr. heat exch £2,100 VIEW
Mistral Outdoor Sealed System OD SS1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,500 VIEW
Mistral Outdoor Sealed System OD SS2 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1,590 VIEW
Mistral Outdoor Sealed System OD SS4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £1,920 VIEW
Mistral Sealed System CS3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,700 VIEW
Mistral Sealed System CS4 41kW Oil Boiler 41kw 93% 2 yr. parts - 5 yr. heat exch £3,200 VIEW
Mistral Mega Combi Standard CMC7 68kW Oil Boiler 68kw 90% 2 yr. parts - 5 yr. heat exch £3,720 VIEW
Mistral Outdoor Combi Standard ODC1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,980 VIEW
Mistral Outdoor Combi Standard ODC2 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £2,040 VIEW
Mistral Outdoor Combi Standard ODC3 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Outdoor Combi Standard ODC4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £2,340 VIEW
Mistral Outdoor Mega Combi Standard ODMC5 50kW Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £3,120 VIEW
Mistral Outdoor Mega Combi Standard ODMC6 58kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,300 VIEW
Mistral Outdoor Mega Combi Standard ODMC7 68kW Oil Boiler 68kw 86% 2 yr. parts - 5 yr. heat exch £3,480 VIEW
Mistral Outdoor Combi+ ODC1 Plus 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £2,220 VIEW
Mistral Outdoor Combi Plus ODC2+ 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £2,280 VIEW
Mistral Outdoor Combi Plus ODC3+ 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £3,800 VIEW
Mistral Outdoor Combi Plus ODC4+ 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £2,580 VIEW
Mistral Outdoor Mega Combi Plus ODMC5 50kW Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £3,300 VIEW
Mistral Outdoor Mega Combi Plus ODMC6 58kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,540 VIEW
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Mistral Kitchen Utility Classic CKUT2 26kW Regular Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £1,998 VIEW
Mistral Kitchen Utility Classic CKUT3 35kW Regular Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,380 VIEW
Mistral Kitchen Utility Classic CKUT4 41kW Regular Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £2,800 VIEW
Mistral Kitchen Utility Classic CKUT5 50kW Regular Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £3,060 VIEW
Mistral Kitchen Utility Classic CKUT6 58kW Regular Oil Boiler 58kw 90% 2 yr. parts - 5 yr. heat exch £3,180 VIEW
Mistral Kitchen Utility Classic CKUT7 68kW Regular Oil Boiler 68kw 90% 2 yr. parts - 5 yr. heat exch £3,250 VIEW
Mistral Boiler House Classic CBH1 20kW Regular Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £1,185 VIEW
Mistral Boiler House Classic CBH2 26kW Regular Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £1,260 VIEW
Mistral Boiler House Classic CBH3 35kW Regular Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £1,500 VIEW
Mistral Boiler House Classic CBH4 41kW Regular Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £1,680 VIEW
Mistral Boiler House CBH5 50kW Regular Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £1,860 VIEW
Mistral Boiler House CBH6 58kW Regular Oil Boiler 58kw 90% 2 yr. parts - 5 yr. heat exch £1,950 VIEW
Mistral Boiler House CBH7 68kW Regular Oil Boiler 68kw 90% 2 yr. parts - 5 yr. heat exch £2,040 VIEW
Mistral Outdoor Utility Standard COD1 20kW Regular Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £1,365 VIEW
Mistral Outdoor Utility Standard COD2 26kW Regular Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £1,410 VIEW
Mistral Outdoor Utility Standard COD3 35kW Regular Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £1,680 VIEW
Mistral Outdoor Utility Standard COD4 41kW Regular Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £2,040 VIEW
Mistral Outdoor Utility COD7 68kW Regular Oil Boiler 68kw 90% 2 yr. parts - 5 yr. heat exch £2,460 VIEW
Mistral Outdoor Utility COD5 50kW Regular Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Outdoor Utility COD6 58kW Regular Oil Boiler 58kw 90% 2 yr. parts - 5 yr. heat exch £2,340 VIEW
Mistral Outdoor Sealed System COD SS1 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £1,605 VIEW
Mistral Outdoor Sealed System COD SS2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £1,680 VIEW
Mistral Outdoor Sealed System COD SS3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,040 VIEW
Mistral Outdoor Sealed System COD SS4 41kW Oil Boiler 41kw 90% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Outdoor Combi Standard CODC1 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £2,040 VIEW
Mistral Outdoor Combi Standard CODC2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Outdoor Combi Standard CODC3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,700 VIEW
Mistral Outdoor Mega Combi Standard CODMC5 50kW Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £3,540 VIEW
Mistral Outdoor Mega Combi Standard CODMC6 58kW Oil Boiler 58kw 90% 2 yr. parts - 5 yr. heat exch £3,870 VIEW
Mistral Outdoor Mega Combi Standard CODMC7 68kW Oil Boiler 68kw 90% 2 yr. parts - 5 yr. heat exch £4,176 VIEW
Mistral Outdoor Combi Plus CODC1+ 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £2,460 VIEW
Mistral Outdoor Combi Plus CODC2+ 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £2,580 VIEW
Mistral Outdoor Combi Plus CODC3+ 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,700 VIEW
Mistral Outdoor Combi Plus CODC4+ 41kW Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £3,000 VIEW
Mistral Outdoor Mega Combi Plus CODMC5 50kW Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £3,960 VIEW
Mistral Outdoor Mega Combi Plus CODMC6 58kW Oil Boiler 58kw 90% 2 yr. parts - 5 yr. heat exch £4,290 VIEW
Mistral Outdoor Mega Combi Plus CODMC7 70kW Oil Boiler 70kw 90% 2 yr. parts - 5 yr. heat exch £4,596 VIEW
Mistral Outdoor Utility Standard OD3 35kW Regular Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1,500 VIEW
Mistral Mega Combi Standard CMC5 50kW Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £3,360 VIEW
Mistral Combi Standard CC1 plus 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £2,220 VIEW
Mistral Combi Standard CC2 plus 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £2,460 VIEW
Mistral Combi Standard CC3 plus 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,460 VIEW
Mistral Outdoor Combi Standard CODC4 41kW Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £2,580 VIEW
Mistral Outdoor Sealed System OD SS3 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1,710 VIEW

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Excellent 4.7 out of 5
Excellent 4.7 out of 5

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