What Is an Intake Manifold and What Does It Do? Intake Manifold System Intake Manifold Design PEHHNU Intake manifold, how it works, problems, replacement cost What is a valve manifold and where are valve manifolds used? Manifold 3 3 with cut off valve (metric) Instrumentation Manifolds Why should I use one? Superlok Blog. Manifold for solar collector Description: This listing includes: 1 set of manifold (10 holes, hole diameter: 58mm) Application: it can be used for the solar collector 10 tubes, (it is suitable for tube size: diameter 58*length1800mm)