Grant Vortex Pro External Combi Boiler - 21kW

Ideal for installations where space inside the home is limited, the Grant Vortex Pro External Comb...

Best current price£3,715.39from Bradfords

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BradfordsGrant Vortex Pro External Combi Boiler & Flue 21Kw
£25.00 delivery
£3,715.39
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City Plumbing GBGrant Vortex Pro External 21Kw Oil Combi Boiler With Flue Vtxomcombi21
Free delivery in 1–3 days
£3,721.20
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Product Information

Full details

This guide is for homeowners with a Grant Vortex Pro External Combi Boiler - 21kW. It helps you understand the boiler's features, optimize its performance, and troubleshoot common issues. A key benefit is the high efficiency and excellent hot water performance. Note that the boiler requires professional installation.

All features

Model Part NumberVTXOMCOMBI21
BrandGrant

Extended Product Information

FAQs

How often should I have the boiler serviced?

It is recommended to have the boiler serviced annually by a qualified engineer.

What type of fuel can I use?

The boiler is designed to use oil and is also compatible with certain biofuels. Check the specifications for the correct biofuel and blend.

Where can the condensate trap be sited?

The internal condensate trap can be sited externally if preferred.

What is the warranty period?

The boiler comes with a 2-year guarantee.

Where can I find the model number?

The model number can be found on the boiler's identification plate.

What are the dimensions of the boiler?

The dimensions are 754x945x658mm (DxHxW).

Troubleshooting

Boiler not starting.

Check the power supply and gas supply. Consult a qualified engineer if the problem persists.

No hot water.

Check the thermostat settings and ensure the boiler is operating correctly. Consult a qualified engineer if the problem persists.

Reduced heating performance.

Check for any error codes on the diagnostic panel. Check the water pressure. Contact a qualified engineer.

Pros and Cons

Pros

  • High efficiency leading to potential energy savings.
  • Designed for external installation, saving indoor space.
  • Excellent hot water performance.
  • Durable, weather-resistant casing.
  • Easy installation due to factory-fitted flue and other features.

Cons

  • Requires professional installation.
  • External units may require more maintenance due to exposure to the elements.
  • The initial cost might be higher compared to some internal models.
  • Requires a suitable location for external installation.

Setup, Compatibility & Care

Setup

  1. Professional Installation: The Grant Vortex Pro External Combi Boiler must be installed by a qualified professional.
  2. Location: Ensure the boiler is installed in a suitable outdoor location, away from obstructions and with adequate ventilation.
  3. Connections: The installer will connect the boiler to the gas supply, water supply, and electrical connections.

Compatibility

  • Fuel: Compatible with oil and certain biofuels (check specifications).
  • Heating Systems: Compatible with standard central heating systems.

Care

  • Regular Servicing: Schedule annual servicing by a qualified engineer to ensure optimal performance and safety.
  • Inspection: Periodically inspect the boiler for any signs of damage or leaks.
  • Cleaning: Keep the area around the boiler clear of debris and obstructions.

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