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Heating & Plumbing
Central Heating
Boilers

18 kW Boilers

(17 products)

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Baxi(3)
Ideal Heating(8)
Strom(2)
Worcester Bosch(4)

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Combi(3)
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18 kW(1)
26 kW(2)

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Ideal Heating Vogue Max Combi 26 Gas Combi Boiler (171FV)

Product rating: 4 out of 5 stars

(1)

Ideal Heating Vogue Max Combi 26 Gas Combi Boiler

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Ideal Heating Vogue Max Combi 26 Gas Combi Boiler (171FV)

Product rating: 4 out of 5 stars

(1)

Max. Domestic Hot Water Output: 26kW
Max. Central Heating Output: 18kW
Stainless Steel Heat Exchanger

£1,358.99

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Ideal Heating Logic Max Heat H18 Gas Heat Only Boiler (613RT)

Product rating: 0 out of 5 stars

Ideal Heating Logic Max Heat H18 Gas Heat Only Boiler

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Ideal Heating Logic Max Heat H18 Gas Heat Only Boiler (613RT)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Aluminium Heat Exchanger
Top or Rear Flue Outlet

£1,185.99

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Baxi 418 Gas Heat Only Gas Fired Wall Mounted Condensing Boiler (699KP)

Product rating: 0 out of 5 stars

Baxi 418 Gas Heat Only Gas Fired Wall Mounted Condensing Boiler

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Baxi 418 Gas Heat Only Gas Fired Wall Mounted Condensing Boiler (699KP)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Aluminium Heat Exchanger
Top or Rear Flue Outlet

£889.99

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Ideal Heating Vogue Max System 18 Gas System Boiler (356FV)

Product rating: 0 out of 5 stars

Ideal Heating Vogue Max System 18 Gas System Boiler

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Ideal Heating Vogue Max System 18 Gas System Boiler (356FV)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Stainless Steel Heat Exchanger
Top Flue Outlet

£1,375.99

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Ideal Heating Logic Max Heat H18 Gas Heat Only Boiler (250FV)

Product rating: 5 out of 5 stars

(1)

Ideal Heating Logic Max Heat H18 Gas Heat Only Boiler

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Ideal Heating Logic Max Heat H18 Gas Heat Only Boiler (250FV)

Product rating: 5 out of 5 stars

(1)

Max. Central Heating Output: 18kW
Aluminium Heat Exchanger
Top or Rear Flue Outlet

£1,185.99

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Ideal Heating Logic+ Heat H18 Gas Heat Only Boiler (4414X)

Product rating: 5 out of 5 stars

(1)

Ideal Heating Logic+ Heat H18 Gas Heat Only Boiler

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Ideal Heating Logic+ Heat H18 Gas Heat Only Boiler (4414X)

Product rating: 5 out of 5 stars

(1)

Max. Central Heating Output: 18kW
Aluminium Heat Exchanger
Top or Rear Flue Outlet

£1,094.99

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Worcester Bosch Greenstar 4000 LPG System Boiler (451PR)

Product rating: 0 out of 5 stars

Worcester Bosch Greenstar 4000 LPG System Boiler

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Worcester Bosch Greenstar 4000 LPG System Boiler (451PR)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Aluminium Silicon Heat Exchanger
Top Flue Outlet

£1,432.99

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Ideal Heating Vogue Max Combi 26 Gas Combi Boiler (862RT)

Product rating: 0 out of 5 stars

Ideal Heating Vogue Max Combi 26 Gas Combi Boiler

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Ideal Heating Vogue Max Combi 26 Gas Combi Boiler (862RT)

Product rating: 0 out of 5 stars

Max. Domestic Hot Water Output: 26kW
Max. Central Heating Output: 18kW
Stainless Steel Heat Exchanger

£1,395.99

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Baxi 818 Gas System Boiler (227HV)

Product rating: 0 out of 5 stars

Baxi 818 Gas System Boiler

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Baxi 818 Gas System Boiler (227HV)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Stainless Steel Heat Exchanger
Top Flue Outlet

£1,367.00

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Worcester Bosch Greenstar 18Ri ErP+ Gas Heat Only Boiler (385HP)

Product rating: 0 out of 5 stars

Worcester Bosch Greenstar 18Ri ErP+ Gas Heat Only Boiler

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Worcester Bosch Greenstar 18Ri ErP+ Gas Heat Only Boiler (385HP)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Aluminium Silicon Heat Exchanger
Top Flue Outlet

£1,285.99

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Strom SBTP18C 3-Phase Electric Combi Boiler (952HR)

Product rating: 0 out of 5 stars

Strom SBTP18C 3-Phase Electric Combi Boiler

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Strom SBTP18C 3-Phase Electric Combi Boiler (952HR)

Product rating: 0 out of 5 stars

Max. Domestic Hot Water Output: 18kW
Max. Central Heating Output: 18kW
Serpentine Heating Element

£1,284.99

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Worcester Bosch Greenstar 4000 Gas System Boiler (955PR)

Product rating: 0 out of 5 stars

Worcester Bosch Greenstar 4000 Gas System Boiler

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Worcester Bosch Greenstar 4000 Gas System Boiler (955PR)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Aluminium Silicon Heat Exchanger
Top Flue Outlet

£1,266.99

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Ideal Heating Logic Max System S18 Gas System Boiler (296FV)

Product rating: 0 out of 5 stars

Ideal Heating Logic Max System S18 Gas System Boiler

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Ideal Heating Logic Max System S18 Gas System Boiler (296FV)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Aluminium Heat Exchanger
Top Flue Outlet

£1,219.99

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Ideal Heating Logic+ System S18 Gas System Boiler (8379X)

Product rating: 0 out of 5 stars

Ideal Heating Logic+ System S18 Gas System Boiler

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Ideal Heating Logic+ System S18 Gas System Boiler (8379X)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Aluminium Heat Exchanger
Top Flue Outlet

£1,164.99

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Worcester Bosch Greenstar 18Ri LPG Heat Only Boiler (614KP)

Product rating: 0 out of 5 stars

Worcester Bosch Greenstar 18Ri LPG Heat Only Boiler

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Worcester Bosch Greenstar 18Ri LPG Heat Only Boiler (614KP)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Aluminium Silicon Heat Exchanger
Top Flue Outlet

£1,153.99

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Strom SBTP18S 3-Phase Electric System Boiler (267HR)

Product rating: 0 out of 5 stars

Strom SBTP18S 3-Phase Electric System Boiler

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Strom SBTP18S 3-Phase Electric System Boiler (267HR)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Serpentine Heating Element
Vented or Unvented Indirect Cylinder

£1,111.99

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Baxi 618 Gas System Boiler (436HG)

Product rating: 0 out of 5 stars

Baxi 618 Gas System Boiler

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Baxi 618 Gas System Boiler (436HG)

Product rating: 0 out of 5 stars

Max. Central Heating Output: 18kW
Stainless Steel Heat Exchanger
Top Flue Outlet

£1,073.99

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18 kW Boilers | Central Heating | Screwfix.com Buy 18 kW Boilers at Screwfix.com. Pay your way. PayPal accepted online. Apple Pay accepted in store. UK call centre ready for your call 24/7. Free next day delivery available. 60 days free credit available.

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