Grant Vortex Pro 21 kW External Combi is a simple and quick to install with no complicated wiring or plumbing.
- Low NOx Riello burner with plug and socket connection to control panel
- Exceptionally quiet
- Internal condensate trap can be sited externally if preferred
- Electronic boiler thermostat
- High quality external powder coated finish
- Average SEDBUK SAP 2009 rating of 89.50 Percentage and registered with the energy savings trust
- 1 year standard warranty and 2 years if registered within 30 days
- Extended to 5 years if installed by a registered G1 installer with a grant or equivalent filter

















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