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.

Brand Name	Grant
Colour	string
Material	string
Manufacturer Model No	VTXOMSSKIT46
Wear Type	string
Type	Expansion Vessel
Certifications Met	string
Country of Origin	string
Protects From	string
Waterproof	string
Number of Pockets	string
Heat Output	46 kW
Years Guaranteed	5
Width	505 mm
Nox Class	3
Height	908mm
External or Internal	External
Depth	1 m
Range Description	Vortex Pro