Grant Vortex Pro External Combi boilers have a durable casing designed for all weathers which encases the same features of the Pro Internal Combi models.

Comprising of three models, the Grant Vortex Pro External Combi  oil boilers   have larger than normal heat exchangers and deliver excellent hot water performances. Highly efficient and with built-in frost protection, the Grant Vortex Pro External Combi range is the perfect option when space is at a premium inside the home.