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Grant Boilers

Grant Boilers are an excellent choice if you're after a heating system that combines efficiency, durability, and eco-friendliness. Their range of oil-fired condensing boilers are designed to provide high efficiency, with some models reaching up to 94.5% efficiency. This means not only lower fuel consumption but also reduced emissions, making them a great option for homes looking to minimize their environmental impact​.

One of the standout features of Grant boilers is their patented heat exchanger technology, which allows for optimal energy conversion. Whether you're installing their compact combi boilers or larger system boilers, Grant provides versatile solutions for homes of all sizes. They also offer models suited for both indoor and outdoor installation, so you can choose the best fit for your space​.

 
 

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Combi Boiler(7)

Heat Only (Regular) Boiler(11)

System Boiler(7)

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Vortex(3)

Vortex Eco(13)

Vortex Pro(9)

Flow Rate (L/min)

15(2)

17(3)

20(2)

Other(18)

Heat Output (kW)

21(7)

26(9)

35(4)

36(2)

46(3)

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2(16)

5(6)

10(3)

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£1750-£2290(7)

£2290-£2560(4)

£2560-£2820(4)

£2820-£3350(5)

£3350-£3880(5)

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In Stock Only(17)


Filter By
25 results

Check stock in your area

Delivery and collection options for

Change location

Boiler/Product Type

Combi Boiler(7)

Heat Only (Regular) Boiler(11)

System Boiler(7)

Range

Vortex(3)

Vortex Eco(13)

Vortex Pro(9)

Flow Rate (L/min)

15(2)

17(3)

20(2)

Other(18)

Heat Output (kW)

21(7)

26(9)

35(4)

36(2)

46(3)

Guarantee (Years)

2(16)

5(6)

10(3)

Price

£
to

£1750-£2290(7)

£2290-£2560(4)

£2560-£2820(4)

£2820-£3350(5)

£3350-£3880(5)

Stock Status

In Stock Only(17)


Filter Results
25 results
grant-vortex-pro-26-floor-standing-combination-boiler-oil-erp

Grant Vortex Pro 26 26kW Floor Standing Combination Boiler Oil ErP - VTXCOMBI26

Grant
£3,341.85 inc
VAT
Save £396.20 | Was £3,738.05
✓ In Stock
grant-vortex-pro-36-floor-standing-combination-boiler-oil-erp

Grant Vortex Pro 36 36kW Floor Standing Combination Boiler Oil ErP - VTXCOMBI36

Grant
£3,729.56 inc
VAT
✓ In Stock
grant-vortex-pro-21-external-floor-standing-combination-boiler-oil-erp

Grant Vortex Pro 21 21kW External Floor Standing Combination Boiler Oil ErP - VTXOMCOMBI21

Grant
£3,428.57 inc
VAT
✓ In Stock
grant-vortex-eco-1521-utility-floor-standing-regular-boiler-oil-erp

Grant Vortex Eco 15/21kW Utility Floor Standing Regular Boiler Oil ErP

Grant
£1,759.20 inc
VAT
✓ In Stock
grant-vortex-pro-1526-kitchenutility-floor-standing-regular-boiler-oil-erp

Grant Vortex Pro 15/26kW Kitchen/Utility Floor Standing Regular Boiler Oil ErP VTX1526

Grant
£2,259.59 inc
VAT
✓ 6 In Stock
grant-vortex-eco-2126-utility-floor-standing-regular-boiler-oil-erp

Grant Vortex Eco 21/26kW Utility Floor Standing Regular Boiler Oil ErP - VTXECO21/26

Grant
£1,904.40 inc
VAT
✓ 6 In Stock
grant-vortex-eco-2635-utility-floor-standing-regular-boiler-oil-erp

Grant Vortex Eco 26/35kW Utility Floor Standing Regular Boiler Oil ErP

Grant
£2,299.20 inc
VAT
✓ In Stock
grant-vortex-eco-1521-external-floor-standing-regular-boiler-oil-erp

Grant Vortex Eco 15/21kW External Floor Standing Regular Boiler Oil ErP

Grant
£2,031.16 inc
VAT
✓ In Stock
grant-vortex-eco-2635-external-floor-standing-regular-boiler-oil-erp

Grant Vortex Eco 26/35kW External Floor Standing Regular Boiler Oil ErP

Grant
£2,710.00 inc
VAT
✓ In Stock
grant-vortex-eco-2126-external-floor-standing-regular-boiler-oil-erp

Grant Vortex Eco 21/26kW External Floor Standing Regular Boiler Oil ErP

Grant
£2,287.20 inc
VAT
✓ In Stock
grant-vortex-pro-15-26-kitchenutility-floor-standing-system-oil-boiler-erp

Grant Vortex Pro 15-26kW Kitchen/Utility Floor Standing System Oil Boiler ErP VTXS1526

Grant
£2,384.77 inc
VAT
✓ In Stock
grant-vortex-pro-2646-internal-oil-boiler

Grant Vortex Pro 26/46kW Regular Internal Oil Boiler VTX26/46

Grant
£2,809.55 inc
VAT
✓ 7 In Stock
grant-vortex-pro-2646-system-internal-oil-boiler

Grant Vortex Pro 26/46kW System Internal Oil Boiler

Grant
£3,245.66 inc
VAT
✓ In Stock
grant-vortex-pro-2646-external-oil-boiler

Grant Vortex Pro 26/46kW External Oil Boiler - VTXOM2646

Grant
£3,351.60 inc
VAT
✓ In Stock
grant-vortex-eco-utility-21-26kw-floor-standing-system-oil-boiler-vtxseco2126

Grant Vortex Eco Utility 21-26kW Floor Standing System Oil Boiler VTXSECO21/26

Grant
£2,335.88 inc
VAT
✓ In Stock
grant-vortex-eco-utility-26-35kw-floor-standing-system-oil-boiler-vtxseco2635

Grant Vortex Eco Utility 26-35kw Floor Standing System Oil Boiler VTXSECO26/35

Grant
£2,697.79 inc
VAT
✓ In Stock
grant-vortex-eco-external-15-21kw-system-oil-boiler-vtxsomeco1521

Grant Vortex Eco External 15-21kW System Oil Boiler VTXSOMECO15/21

Grant
£2,541.59 inc
VAT
✓ In Stock
grant-vortex-pro-xs-26kw-combination-boiler-oil-erp

Grant Vortex Pro XS 26kW Combination Boiler Oil ErP - VTXXSCOMBI26

Grant
£3,348.17 inc
VAT
✗ Extended Lead Time, 2 Weeks+
grant-vortex-pro-21-floor-standing-combination-boiler-oil-erp

Grant Vortex Pro 21 21kW Floor Standing Combination Boiler Oil ErP - VTXCOMBI21

Grant
£3,299.09 inc
VAT
✗ Extended Lead Time, 2 Weeks+
grant-vortex-pro-26-external-floor-standing-combination-boiler-oil-erp

Grant Vortex Pro 26 26kW External Floor Standing Combination Boiler Oil ErP - VTXOMCOMBI26

Grant
£3,666.43 inc
VAT
✗ Extended Lead Time, 2 Weeks+
grant-vortex-pro-36-external-floor-standing-combination-boiler-oil-erp

Grant Vortex Pro 36 36kW External Floor Standing Combination Boiler Oil ErP - VTXOMCOMBI36

Grant
£3,878.72 inc
VAT
✗ Extended Lead Time, 2 Weeks+
grant-vortex-eco-16-21kw-wall-hung-open-vent-boiler-oil-erp

Grant Vortex Eco 16-21kW Wall Hung Open Vent Boiler Oil ErP VTXWH1621

Grant
£2,198.39 inc
VAT
✗ Extended Lead Time, 2 Weeks+
grant-vortex-eco-utility-15-21kw-floor-standing-system-oil-boiler-vtxseco1521

Grant Vortex Eco Utility 15-21kW Floor Standing System Oil Boiler VTXSECO15/21

Grant
£2,151.61 inc
VAT
✗ Extended Lead Time, 2 Weeks+
grant-vortex-eco-external-21-26kw-system-oil-boiler-vtxsomeco2126

Grant Vortex Eco External 21-26kW System Oil Boiler VTXSOMECO21/26

Grant
£2,784.38 inc
VAT
✗ Extended Lead Time, 2 Weeks+
grant-vortex-eco-external-26-35kw-system-oil-boiler-vtxsomeco2635

Grant Vortex Eco External 26-35kW System Oil Boiler VTXSOMECO26/35

Grant
£3,130.87 inc
VAT
✗ Extended Lead Time, 2 Weeks+