The Grant Vortex Pro outdoor sealed system kit external modules can be converted to sealed system operation by purchasing a pre-assembled kit from Grant. This includes an expansion vessel, an automatic air vent, a pressure relief valve, and a circulating pump. A filling loop and pressure gauge are also supplied as part of the kit. These can be fitted within the module casing or, ideally, on a convenient site within the building, located between the cold main and the central heating return.
High performing, efficient range achieving space heating efficiencies of between 90.8 to 94.5 percent
Durable coating designed for reliable operation outdoors
Pressure relief valve
Circulating pump
Filling loop
Pressure gauge
Converts boiler to sealed system operation
Features ultra-low NOx blue flame burner technology from Riello
Supplied with a factory fitted multi-directional flue, saving time and money
Sealed system kits available for all models
Technical specification
Years Guaranteed5Width505 mmTypeExpansion VesselSolar CompatibleYesNox Class3Height908 mmHeat Output46 kWExternal or InternalExternalDepth1 mRange DescriptionVortex ProManufacturer Model NoVTXOMSSKIT46Brand NameGrant
Reviews
Grant Vortex Pro Outdoor Sealed System Kit 26 KW to 46 KW VTXOMSSKIT46