The OSO 22/28 Upstream kit - Fitting kit* is essential for all systems using a Superstream cylinder.
This kit is designed to match the size of the building's main water service pipe and is carefully selected to meet known specifications. It includes a vessel, inline strainer, pressure gauge (0-10 bar), double check valve, pressure reducing valve with gauge connector, full bore isolation valve, and an instruction manual. All components are sourced from OSO for guaranteed quality.