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Grant Vortex Pro 21 Combi Oil Boiler

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Ref:VTXCOMBI21

Grant Vortex Pro 21 Electronic Combi Oil Boiler
Part number: 117089
Manufacturer: Grant
Mfr Part No. VTXCOMBI21
Stock: Standard Delivery
Grant Vortex Pro 21 Electronic Combi Oil Boiler

Grant Vortex Pro 21 Electronic Combi Oil Boiler


Grant Vortex Pro 21 Electronic Condensing Combi Oil Boiler



Grant Vortex Pro Combi’s feature much larger plate heat exchangers which due to their low water content and larger surface area, vastly increase the hot water performance available. Mixing valves are pre-set at 50°C, controlling accurately the hot water draw off temperature from the boiler. They also feature a low system pressure cut off switch, enabling the combi to protect itself in the unlikely event of system water loss. Additionally, there are two very accurate electronic temperature controls which allow the boiler to operate in condensing mode on central heating, whilst maintaining its instant hot water production.

Product Details

• Grant Part No :VTXCOMBI21
• Voted Which? Best Buy Boiler 2008
• All white cased Grant Vortex Pro Combi models are suitable for kitchen or utility room installations
• Exceptionally high efficiency levels (Sedbuk 'A' 92.2-94.4% Gross)
• All white cased Grant Vortex Combi models are suitable for kitchen or utility room installations
• Internal condensate trap
• Neon diagnostic indicators
• Front service access
• Simple and quick to install with no complicated wiring or plumbing
• Whisper quiet operation
• Unique Grant Vortex stainless steel heat exchanger
• Extremely compact design
• Fitted with low NOx Riello burner
• Height: 860mm
• Width: 590mm
• Depth: 605mm
• Central Heating Output: 15 KW
• Domestic Hot water Flow Rate: 15 Ltrs/min
• 2 Years Manufacturers Guarantee

Mains water Pressure

Minimum 2.5 bar (36 psi)
Maximum 8 bar (115 psi)






Only: £1,533.93 ex VAT
( £1,840.72 Inc VAT at 20%)



Free boiler delivery!

Optional Flues
117200 - (EZ90) Standard Low Level Flue Kit - £133.30 + vat
117201 - (EZ90S) Short Low Level Flue Kit - £125.65 + vat
117202 - (X90S) 225mm Low Level flue Extension - £33.04 + vat
117203 - (X90M) 450mm Low Level Flue Extension - £40.97 + vat
117204 -( X90L) 675mm Low Level Flue Extension - £47.68 + vat
117205 - 90° Low Level Elbow Kit + Extension - £82.46 + vat
117206 - (EZ45/90) 45° Low Level Elbow Kit + Ext - £62.83 + vat
117220 - (HLK015090) High Level Balanced Flue - £219.12 + vat
117221 - (VTK055090) Vertical Balanced Flue Kit - £268.36 + vat
117223 - 450mm High Level / Vertical Extension - £42.63 + vat
117224 - 950mm High Level / Vertical Extension - £61.67 + vat
117271 - 24 Hr Single Channel Mechanical Timer - £35.71 + vat
117207 - (EZ45/90S) 45° Elbow Only - £47.68 + Vat
117222 - 225mm High Level/Vertical Extension - £39.80 + Vat
117225 - 275 - 450mm H/Level/Vertical Extension - £69.56 + Vat
117226 - (ELBK214590) 45° High Level Elbow - £45.55 + Vat
117230 - (VTMF90) Pitch Roof Flash Aluminium- £43.00 + VAT
117232 - (VTK27F90) Vertical BF Flat Roof Flash - £32.78 + VAT
117231 - (VTK25P90) Lead Pitched Roof Flashing - £49.36 + Vat
117272 - Grant 7 Day Single Channel Timer - £54.41 + Vat
608100 - Sentinel X100 Inhibitor 1 Litre Bottle - £13.80 + VAT
608100/608119 - X100 and X800 System Cleaner Pack - £25.08 + VAT
117387- Grant RFT Kit Wireless 2 CH Programmable Room Stat - £123.53 + VAT


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