Vortex Blue Internal Combi
The intelligent VortexBlue Combi incorporates the latest Riello RDB BLU burner technology and combines it with our award winning Vortex stainless steel heat exchanger.
The Grant VortexBlue Combi features large heat exchangers which, due to their low water content and larger surface area, vastly increased the hot water performance. With a low system pressure cut off switch, the combi protects itself in the unlikely event of system water loss.
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This is an Energy Saving Trust Endorsed product